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Owner’s Manual
Mode d’emploi
Bedienungsanleitung
BASS AMPLIFIER
BBT500H
Manual del Usuario
Handleiding
Manuale di Istruzioni
2
This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd.
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in
accordance with the following code:
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not
correspond with the coloured markings identifying the terminals in your
plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected
to the terminal in the plug which is marked by the letter E or by the
safety earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal
which is marked with the letter L or coloured RED.
FCC INFORMATION (U.S.A.)
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions
contained in this manual, meets FCC requirements. Modifica-
tions not expressly approved by Yamaha may void your au-
thority, granted by the FCC, to use the product.
2. IMPORTANT: When connecting this product to accessories
and/or another product use only high quality shielded cables.
Cable/s supplied with this product MUST be used. Follow all
installation instructions. Failure to follow instructions could
void your FCC authorization to use this product in the USA.
3. NOTE: This product has been tested and found to comply
with the requirements listed in FCC Regulations, Part 15 for
Class “B” digital devices. Compliance with these require-
ments provides a reasonable level of assurance that your use
of this product in a residential environment will not result in
harmful interference with other electronic devices. This
equipment generates/uses radio frequencies and, if not in-
stalled and used according to the instructions found in the
users manual, may cause interference harmful to the opera-
tion of other electronic devices. Compliance with FCC regula-
tions does not guarantee that interference will not occur in all
installations. If this product is found to be the source of inter-
ference, which can be determined by turning the unit “OFF”
and “ON”, please try to eliminate the problem by using one of
the following measures:
Relocate either this product or the device that is being af-
fected by the interference.
Utilize power outlets that are on different branch (circuit
breaker or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead,
change the lead-in to co-axial type cable.
If these corrective measures do not produce satisfactory
results, please contact the local retailer authorized to distrib-
ute this type of product. If you can not locate the appropriate
retailer, please contact Yamaha Corporation of America,
Electronic Service Division, 6600 Orangethorpe Ave, Buena
Park, CA90620
The above statements apply ONLY to those products distrib-
uted by Yamaha Corporation of America or its subsidiaries.
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.
• This applies only to products distributed by Yamaha Canada Music Ltd.
• Ceci ne s’applique qu’aux produits distribués par Yamaha Canada Musique Ltée.
CANADA
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-
003 du Canada.
3
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not block any ventilation openings. In-
stall in accordance with the manufacturer's
instructions.
8 Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that pro-
duce heat.
9 Do not defeat the safety purpose of the po-
larized or grounding-type plug. A polarized
plug has two blades with one wider than the
other. A grounding type plug has two blades
and a third grounding prong. The wide blade
or the third prong are provided for your
safety. If the provided plug does not fit into
your outlet, consult an electrician for re-
placement of the obsolete outlet.
IMPORTANT SAFETY INSTRUCTIONS
10 Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit
from the apparatus.
11 Only use attachments/accessories specified
by the manufacturer.
12 Use only with the cart,
stand, tripod, bracket, or
table specified by the
manufacturer, or sold with
the apparatus. When a cart
is used, use caution when
moving the cart/apparatus
combination to avoid injury
from tip-over.
13 Unplug this apparatus during lightning
storms or when unused for long periods of
time.
14 Refer all servicing to qualified service per-
sonnel. Servicing is required when the appa-
ratus has been damaged in any way, such as
power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into
the apparatus, the apparatus has been ex-
posed to rain or moisture, does not operate
normally, or has been dropped.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR
MOISTURE.
4
SPECIAL MESSAGE SECTION
PRODUCT SAFETY MARKINGS: Yamaha electronic prod-
ucts may have either labels similar to the graphics shown be-
low or molded/stamped facsimiles of these graphics on the
enclosure. The explanation of these graphics appears on this
page. Please observe all cautions indicated on this page and
those indicated in the safety instruction section.
ENVIRONMENTAL ISSUES: Yamaha strives to produce
products that are both user safe and environmentally friendly.
We sincerely believe that our products and the production meth-
ods used to produce them, meet these goals. In keeping with
both the letter and the spirit of the law, we want you to be aware
of the following:
Warning: Do not attempt to recharge, disassemble, or inciner-
ate this type of battery. Keep all batteries away from children.
Dispose of used batteries promptly and as regulated by appli-
cable laws. Note: In some areas, the servicer is required by law
to return the defective parts. However, you do have the option
of having the servicer dispose of these parts for you.
Disposal Notice: Should this product become damaged beyond
repair, or for some reason its useful life is considered to be at an
end, please observe all local, state, and federal regulations that
relate to the disposal of products that contain lead, batteries,
plastics, etc.
NOTICE: Service charges incurred due to lack of knowledge
relating to how a function or effect works (when the unit is
operating as designed) are not covered by the manufacturer’s
warranty, and are therefore the owners responsibility. Please
study this manual carefully and consult your dealer before re-
questing service.
NAME PLATE LOCATION: The graphic below indicates the
location of the name plate and serial number label. Information
such as model number, power requirements, serial number, etc.,
can be found at these two locations. You should record the model
number, serial number, and the date of purchase in the spaces
provided below and retain this manual as a permanent record
of your purchase.
See rear of Amplifier for graphic symbol markings.
The exclamation point within the equi-
lateral triangle is intended to alert the
user to the presence of important oper-
ating and maintenance (servicing) in-
structions in the literature accompany-
ing the product.
The lightning flash with arrowhead sym-
bol, within the equilateral triangle, is
intended to alert the user to the presence
of uninsulated “dangerous voltage”
within the product’s enclosure that may
be of sufficient magnitude to constitute
a risk of electrical shock.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
IMPORTANT NOTICE: All Yamaha electronic products are
tested and approved by an independent safety testing labora-
tory in order that you may be sure that when it is properly in-
stalled and used in its normal and customary manner, all fore-
seeable risks have been eliminated. DO NOT modify this unit
or commission others to do so unless specifically authorized by
Yamaha. Product performance and/or safety standards may be
diminished. Claims filed under the expressed warranty may be
denied if the unit is/has been modified. Implied warranties may
also be affected.
SPECIFICATIONS SUBJECT TO CHANGE: The infor-
mation contained in this manual is believed to be correct at the
time of printing. However, Yamaha reserves the right to change
or modify any of the specifications without notice or obligation
to update existing units.
92-469- (rear)
Model
Serial No.
Purchase Date
5
Avoid using your amplifier and speaker in the following locations
to prevent possible damage:
In direct sunlight or next to heating equipment.
Extremely cold or hot locations.
Locations exposed to high humidity or excessive dust.
Locations subject to strong shocks or vibration.
Avoid installing this unit where foreign object may fall onto this
unit and/or this unit may be exposed to liquid dripping or
splashing. On the top of this unit, do not place:
Other components, as they may cause damage and/or
discoloration on the surface of this unit.
Burning objects (i.e. candles), as they may cause fire,
damage to this unit, and/or personal injury.
Containers with liquid in them, as they may fall and liquid may
cause electrical shock to the user and/or damage to this unit.
Before making any connections, make sure that the power on
the amplifier and any external devices is switched OFF.
To protect the speaker from possible damage, always set the
OUTPUT knob to 0 before switching the power ON/OFF.
When connecting the speaker jack to a speaker, use only a
cable designed specifically for connecting a speaker to the
amplifier. The use of any other cable can result in fire.
Even if the devices main power switch is switched OFF, power
is not cut off from the device. Place the device close to an easily
accessible electric outlet so it can be plugged in or unplugged
with ease.
Your Yamaha amplifier is a precision musical instrument. Handle
it with care and avoid dropping or bumping it.
Do not apply excessive force to the switches and controls.
To prevent damage and possibly electrical shock, never open
the case and tamper with the internal circuitry.
Do not block the ventilation ducts. The device is designed with
ducts on the front and back to prevent temperatures from rising
inside the device. Blocking the ducts will cause heat to buildup
Precautions
inside the device, which may result in fire. NEVER operate the
device in any of the manners described below.
* Never place the device on its back, side, or upside-down.
* Install the device in anything other than the specified rack, such in a
narrow bookshelf, in an small enclosed space, or a place with poor
ventilation, etc.
* Cover the device with a cloth or place the device on a carpet or bed.
When the devices is installed in an audio rack, etc., make sure
that there is sufficient space between the wall or other equip-
ment, and the device. The device requires clearance of at least
5cm on its sides, 10cm at the back, and 10cm above.
Also, open the rear of the rack, or open a hole in the back of the
rack to provide the device with ventilation.
Poor ventilation will cause heat to buildup inside of the device,
which can result in fire.
Never place the device on an unstable surface, table, or sloped
surface. Also, never stack the device excessively. Doing so may
cause the device to fall or overturn, causing injury.
* If the device is to be stacked, we recommend that the casters be removed
from the amplifier/speaker to prevent overturning.
During thunderstorms, switch off the power as soon as possible
and unplug the device from the electric outlet. If there are
lightning strikes, do not touch the power cable if it is still
connected to the electric outlet. Doing so can result in electric
shock.
For safety, always remove the power plug from the AC wall
outlet if there is any danger of lightning striking in your area.
Do not use the amplifier for any other purpose than powering a
speaker system.
Keep the amplifier away from neon signs or fluorescent lighting
to prevent noise pickup.
Never use benzene, thinner or other volatile liquids for cleaning,
as these chemicals may cause damage or discoloration to the
finish. Always use a dry, soft cloth to wipe off dust and dirt.
Operating Cautions!
To use in a safe manner, please obey the following
About the XLR jacks polarity
The pin order of the XLR type connector is as follows:
1: Shield (GND), 2: Hot (+), 3: Cold (-)
This conforms to the IEC60268 standard.
About Cellular Phone Interference
Cellular phones used in close proximity to the device may
cause noise. If this is the case, move the phone a little
away from the device.
6
Thank you for purchasing the Yamaha BBT500H Bass Amplifier.
The BBT500H is an all-digital bass amplifier that utilizes Yamaha’s DSP technology to
provide bassists with extensive sound tailoring capabilities and simple operation. Thanks to the
use of a highly efficient digital power amplifier in combination with Yamaha’s power switching
technology the BBT500H can deliver an unprecedented 500W/2 of power from its compact
and lightweight design.
The BBT500H offers bassists precision sound tailoring and control with its 11 sound
variation types, 5-band semi-parametric equalizer, compressor, limiter, and noise gate. It is also
equipped with a speaker simulator and effects loop for greater tone tailoring and versatility. The
BBT500H provides 5 internal memory locations that let you store up to five tone settings for
instant recall at the press of a switch. It also offers MIDI compatibility and a bi-amp system
(using two amplifiers to create a single system), etc. that make it an excellent choice for use in
the studio or live performances.
In order to get the most out of your BBT500H and its sophisticated functions, please
thoroughly read this Owner’s Manual before using the device. Also, keep the manual in a safe,
convenient place for future reference.
CONTENTS
Panel Controls and Connections........................................ 7
Front Panel.................................................................................. 7
Rear Panel .................................................................................. 8
Operating Instructions ...................................................... 10
Getting sound output................................................................. 10
Adjusting the Input Level........................................................... 10
Sound Setting ........................................................................... 10
Storing and Recalling Patches .................................................. 11
Detailed Parameter Settings ............................................. 12
Amp Mode................................................................................. 12
Equalizer Mode ......................................................................... 13
Compressor Mode .................................................................... 13
Utility Mode ............................................................................... 14
Attaching the Rack Mount Adaptor .................................. 17
Air Flow ............................................................................... 17
Attaching the Clamp Filter ................................................ 17
Error Messages .................................................................. 18
Troubleshooting ................................................................. 18
Specifications..................................................................... 19
MIDI Implementation Chart ............................................... 95
7
Panel Controls and Connections
Front Panel
!0
q w e r t y u i o
!1 !2 !3
q Power Switch
This is the units main power switch.
* Always set the OUTPUT volume to “0” before switching the power ON or
OFF to protect the speaker from damage.
w Input Jack (INPUT)
This is the units input jack.
Connect the output jack on your bass to this jack.
* Make sure that the power is switched OFF before connecting the bass.
* For U.S. and Canadian models only
To protect against electromagnetic waves, attach
the supplied Clamp Filter to the cable connecting
the bass guitar to the amplifier. ( pg. 17)
e Input Level Volume (INPUT LEVEL)
Adjusts the amplifiers input volume level and the volume of the bass
that is connected to the BBT500H. Use the indicators located on either
side of the knob to check the signal level. ( pg. 10)
* The INPUT LEVEL setting is not saved in memory.
r Sound Type Select Switch (SOUND TYPE)
Select one of the eleven preset sound variation types.
The indicator of the selected sound type will light. ( pg. 10)
t Compressor Volume (COMP)
Adjusts the compressors compression ratio.
In the Equalizer mode, this knob is used to set the center frequency
(PEQ F) of the 1-band parametric equalizer. ( pg. 13)
y Gain Volume (GAIN)
Adjusts the pre-amplifiers gain volume level.
* When this knob is set to “0”, no sound will be produced although the
Master Volume is turned up.
In the Equalizer Mode, this knob is used to set the bandwidth (PEQ Q)
of the 1-band parametric equalizer. ( pg. 13)
In the Compressor Mode, this knob is used to set the compressor thresh-
old (THRSLD). ( pg. 13)
u Master Volume (MASTER)
Adjusts the overall volume of the sound created with the Gain and Tone
Control settings. Adjusts the preamplifiers output level.
* The MASTER volume setting is saved in memory.
In the Equalizer Mode, this knob is used to set the Gain (PEQ G) vol-
ume level of the 1-band graphic equalizer. ( pg. 13)
In the Compressor Mode, this knob is used to adjust the compressors
attack (ATTACK) time. ( pg. 13)
i Tone Controls
(BASS, LOW MID, MIDDLE, HIGH MID, TREBLE)
Adjusts the level of their corresponding frequencies.
In the Equalizer Mode, these knobs are used to set the center frequency
(FREQ) for their corresponding tone control. ( pg. 13)
In the Compressor Mode, these knobs are used to adjust the param-
eters given below. ( pg. 13)
BASS ........... Compressors release (RELEASE) time
LOW MID ..... Compressors output gain (C. GAIN)
MIDDLE ....... Compressors knee (KNEE)
HIGH MID .... Noise gate threshold (N. GATE)
TREBLE ....... Effect loop blend level (BLEND)
o Output Volume Level (OUTPUT)
Adjusts the power amplifiers output level.
This knob is used to set the overall volume level (the amount delivered
by the speaker) of the sound created by the pre-amplifier sections GAIN,
MASTER, Tone Controls, etc. Adjusting this volume level has no effect
on tone.
* The OUTPUT level setting is not saved in memory.
* This setting does not effect the output level (volume) of the LINE OUT !8
jack.
!0 Manual Switch (MANUAL)
This switch resets all parameter values (including Equalizer and Com-
pressor mode settings) to the state they were in when the power was
switched ON. All knobs function as labeled on the panel, and the setting
for each control corresponds to the position of the knob.
If you continuously hold the switch, all settings will be returned to the
state that they were in just before the [MANUAL] or Memory switch was
pressed (Undo Function). ( pg. 12)
!1 Memory Switches (1-5)
These switches are used to recall data for patches (1-5) saved in the units
memory. The selected memorys (switchs) indicator lights. ( pg. 11)
After editing patch data, press and hold the switch for about 1 second to
save the data to memory. ( pg. 11)
!2 Display
Displays information such as parameter values, etc.
!3 Function Switch (FUNCTION)
This switch is used to select the units operating mode.
Amp Mode ( pg. 12)
Equalizer Mode ( pg. 13)
Compressor Mode ( pg. 13)
Utility Mode ( pg. 14)
8
STATUS
DATA/CTRL
BANK MSB/MAX
BANK LSB/MIN
TOGGLE ON-OFF
/NUMBER OF PGM
DEC
/NO
INC
/YES
MEMORY
EDIT
PC
EDIT
WRITE
/EXIT
±10
8.8.8
.
Before making any connections, make sure that the power on
the BBT500H and all other related devices is switched OFF.
!4
Speaker(s)
Save patches to a
MIDI device
Use a MIDI controller to select
patch memory
MIDI IN
MIDI OUT
Outboard Effects Processor
Mixer or Additional Amplifier
OUT
IN
Panel Controls and Connections
!5 !6 !7 !8 !9 @0 @1 @2
Headphones
Tuner
AC Power
Supplied power
cable
@4
@3
@5
Rear Panel
!4 Tuner Output (TUNER OUT)
This output jack is used to connect a tuner to the BBT500H.
It can also be used to create a bi-amp system. Connect this output jack
to the INPUT jack on another BBT500H. ( pg. 14)
!5 Effect Loop (FX LOOP)
Effect Send Jack (SEND)
Effect Return Jack (RETURN)
Effect Loop Level Switch (LEVEL)
These jacks let you insert an outboard effects processor between the
SEND and RETURN jacks to apply effects to the BBT500Hs signal.
Use the Level Switch to match the Input/Output level with the level re-
quired by the outboard effects processor. Use the BLEND control in the
Compressor Mode to adjust the balance level between the outboard
effectors sound and the sound that is created by the BBT500H. ( pg.
13)
!6 Headphones Jack (PHONES)
This jack is used to connect a pair of headphones to the unit. It carries
the same signal that is delivered from the LINE OUT jack. Use the LEVEL
control to adjust the volume.
!7 Headphones/Line Out Level Control (LEVEL)
Adjusts the output level of the PHONES jack and the LINE OUT jacks.
(The same setting is applied to both jacks.)
!8
Line Out Jack (UNBALANCED OUT, BALANCED OUT)
These jacks carry the signal that is selected with the !9 Line Out Source
Switch at a line level.
Both unbalanced phone type (+4 dB/10 k) and balanced XLR type
(+4 dB/600 ) jacks are provided.
Use the LINE SOURCE switch to select the signal that is sent to the
LINE OUT jack. As the unit is equipped with an output limiter and speaker
simulator (can be switched ON/OFF), and the output level of these jacks
is controlled by the LEVEL control, these jacks can be used to send a
line level signal to a mixing console or an additional amplifier.
!9 Line Out Source Switch
(LINE SOURCE: THRU/PRE EQ/POST EQ)
This switch is used to select the signal that is delivered from the LINE
OUT jack.
THRU ........... Delivers the signal received via the INPUT jack without
alteration.
Select this setting when connecting to a DI (Direct In-
jection) box.
PRE EQ ....... Delivers the signal before it has been processed by the
tone controls (the Sound Type is active).
This setting can be used when separate EQ settings
are required for speaker and line outputs.
POST EQ ..... Delivers the signal after it has been processed by the
tone controls.
Clamp Filter ( pg. 17)
* For U.S. and Canadian
models only
9
* Total Impedance
Whenever two or more speaker cabinets are connected to the unit,
consideration must be given to the total impedance of the speaker
system.
Normally, a speaker cabinet has an impedance of 4, 8 or 16. But
when two or more speaker cabinets are used together, the total
impedance will change according to the manner in which the cabi-
nets are connected.
Connecting in a Series
Total impedance = 1st Speaker + 2nd Speaker + 3rd Speaker
Connecting three 4 speaker cabinets in a series as shown below,
results in a total impedance of 12.
Panel Controls and Connections
This setting can be used when you want the line signal
processed with the same EQ setting as the speaker.
* The FX LOOP is active on both PRE EQ and POST EQ signals.
@0 Speaker Simulator Switch (SP SIM: OFF/LINE/ON)
This switch is used to switch the Speaker Simulator circuit ON/OFF.
When the Speaker Simulator is activated, this special circuit adds the
live characteristics of a speaker to the line out signal and headphones
output. This feature is useful when you want to produce a distorted tone
with a speaker system that incorporates a tweeter, or to add the reso-
nance of a large speaker and its enclosure to a speaker system that
uses only small speakers. The sound created with the Speaker Simula-
tor is optimized to compliment the selected Sound Type.
OFF .............. Deactivates the Speaker Simulator on LINE OUT,
SPEAKER, and PHONES jack signals.
LINE ............. Activates the Speaker Simulator on LINE OUT, and
PHONES jack signals only.
ON................ Activates the Speaker Simulator on LINE OUT,
SPEAKER, and PHONES jack signals.
* The Speaker Simulator can only be applied to the LINE OUT jack output
when the !9 Line Out Source Switch is set to “POST EQ”.
@1 Output Limiter Switch (OUTPUT LIMITER: ON/OFF)
This switch is used to switch the Output Limiter circuit ON/OFF.
When set to the ON position, the limiter suppresses the signal if it ex-
ceeds the threshold before sending it to the SPEAKER jack and LINE
OUT jack.
OFF .............. Deactivates the Limiter on both LINE OUT and SPEAKER
jack signals.
ON................ Activates the Limiter on both LINE OUT and SPEAKER
jack signals.
@2 MIDI OUT Jack
Connect this jack to the MIDI IN jack on an external MIDI device that
can save MIDI data (such as a MIDI data filer, etc.), and save patch data
from the BBT500H to an external device. ( pg. 16: MIDI Bulk Out)
Also, when MIDI Merge is set ON, MIDI data received from an external
MIDI device via the MIDI IN jack is transmitted from the MIDI OUT jack
without alteration. ( pg. 16)
@3 MIDI IN Jack
Connect this jack to the MIDI OUT jack on MIDI Foot Controller, etc., to
select patches, control volume, etc., with the MIDI Foot Controller. (
pg. 15)
Also, patches that have been saved to an external MIDI device can be
loaded into the BBT500Hs internal memory. ( pg. 16: MIDI Bulk IN)
@4 Speaker Jacks (SPEAKER 1, 2)
Two Speaker Jacks are provided for connecting speaker systems.
The two jacks are connected in parallel inside the unit. Make sure that
the speaker cabinet you use meets the requirements given below.
When using a single SPEAKER Jack (1 or 2)
Please use a system that complies with one of the following re-
quirements.
The total impedance* of the circuit should never be less than 2.
A 2 speaker system must have a power handling capability of
500W or greater.
A 4 speaker system must have a power handling capability of
250W or greater.
An 8 speaker system must have a power handling capability of
125W or greater.
When using both SPEAKER Jacks (1 & 2)
Please use a system that complies with one of the following re-
quirements.
The total impedance* of the circuit should never be less than 2.
A 4 speaker system must have a power handling capability of
250W or greater.
An 8 speaker system must have a power handling capability of
125W or greater.
To obtain optimum performance from the amplifier, we recommend that
a speaker system with a power handling capability of 250W or greater
and impedance of 4 be used with each SPEAKER jack (1 and 2).
* For U.S. and Canadian models only
To protect against electromagnetic waves, attach the sup-
plied Clamp Filters to the cables connecting the amplifier’s
SPEAKER 1, 2 jacks to the speakers. ( pg. 17)
@5 Power Connector (AC IN)
Connect the supplied power cable to this terminal to supply the unit with
power from an AC power outlet.
When connecting the power cable, make sure the
amplifier’s POWER switch is turned OFF.
Connected in Parallel
Total impedance =
Connecting three 4 speaker cabinets in a parallel configuration
as shown below, results in a total impedance of about 1.3.
444
10
Sound Setting
When the power is switched ON, all control knobs function as labeled
on the panel and described below. All lamps on the display above the
control knobs and switches are unlit.
Rotate the SOUND TYPE knob to select a sound type, then use the
Tone Control knobs to shape the sound. Before selecting a sound type,
first set the GAIN through TREBLE control knobs to their center posi-
tions then try out the different Sound Types.
Also, the COMP knob is used to adjust the compressors compression
ratio. The compressor automatically balances the differences between
loud and soft levels when playing. Rotate the knob to the right to in-
crease the amount of compression.
q
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: Selects the Sound Type (11 types)
FLAT ............A clean tone with all frequencies set flat. This setting also
works well with an upright bass or an electric-acoustic bass.
TUBE........... A clear and warm tube type sound. This setting also works
well with an upright bass or an electric-acoustic bass.
SOLID .........A fat solid-state type sound
R & B ...........A fat R & B type sound
VINTAGE .....A vintage tone with warm mid frequencies
MODERN ....A modern sound with rich low-end and bright high-end
CLASSIC .....Rock bass sound
HEAVY ........A heavier sound than the CLASSIC setting
DRIVE .........Overdrive bass sound
DIST ............Distortion bass sound
FUZZ ...........Fuzz bass sound
e COMP: Compression Ratio (1.0 to , 16 steps)
This adjusts the compressors compression ratio and output levels simul-
taneously.
As the value increases, so does the amount of compression applied to
signals that exceed the threshold level ( pg. 13).
r GAIN: Pre-Amp Gain (0 to 10, 0.1 step)
t MASTER: Master Volume (0 to 10, 0.1 step)
y BASS: Bass Frequency (-15dB to +15dB, 0.2dB step)
u LOW MID: Low Mid Frequency (-15dB to +15dB, 0.2dB step)
i MIDDLE: Middle Frequency (-15dB to +15dB, 0.2dB step)
o HIGH MID: High mid Frequency (-15dB to +15dB, 0.2dB step)
!0 TREBLE: Treble Frequency (-15dB to +15dB, 0.2dB step)
!1 OUTPUT: Sets the output level
Getting sound output
1 First, make sure that the POWER switch is switched OFF, then
connect your bass to the INPUT Jack on the front panel.
2 Rotate the OUTPUT knob fully to the left and then switch the
POWER switch ON.
To protect the speakers, make sure that the
OUTPUT knob is set to “0” whenever switch-
ing the POWER switch ON or OFF.
Operating Instructions
w e r t y u i o !0 !1
3 First, set the INPUT LEVEL knob to its 12 Oclock position, then
while playing the bass, gradually increase the GAIN, MASTER,
and OUTPUT knobs to adjust the sound.
4 Once the system is producing sound, set the input level as
described in the Adjusting the Input Level section below.
Set the knob so that the red
indicator does not light.
Adjusting the Input Level
The INPUT LEVEL control optimizes the signal received from the bass
for use with the amplifier, to produce wide dynamic range and rich tone.
A poorly adjusted level results in noise, feedback, a cutup sound, etc.
* Since output levels vary from instrument to instrument, you will need to
readjust the input level to match the instrument’s output level whenever
you change instruments.
1 Rotate the volume control on your bass to its maximum level
and play loudly while rotating the INPUT LEVEL knob.
An ideal level is attained when the green indicator is lit.
2 Continue to rotate the INPUT LEVEL knob to the right making
sure the red indicator does not light. As long as the red indica-
tor does not light, rotate the knob fully to the right.
HINT Using the OUTPUT and MASTER Controls
Both knobs can be used to control the overall volume however, the
MASTER knob is the preamplifiers master volume and its setting is
saved in memory. The OUTPUT knob is the power amplifiers output
volume and its setting is not saved in memory. Use the MASTER knob
to set individual volume settings of patches saved to memory, and use
the OUTPUT knob to set the output volume level produced by the speak-
ers.
11
Operating Instructions
Setting Value
The value 4.0 flashes on the display
but rotating the knob from the 3
oclock position to the 11 oclock
position does not change anything.
As the knob goes past the 11
oclock position and its position
matches that of the value, the
value will then stop flashing and
start changing according to the
knobs position.
Storing and Recalling Patches
After creating a sound that you like, you can store its settings in the
units internal memory. Sound setting data (individual knob settings) is
called a Patch. Saving a patch to the units internal memory is called
Store.
The BBT500H provides five memory locations for storing patch data.
Patch data in the memory is stored even when the power is switched
OFF, and can be recalled at any time by pressing the patchs corre-
sponding switch. Take note that unless the changes are saved to memory,
any changes made to the patch will be lost when another patch is se-
lected or when the power is switched OFF.
Storing a Patch
After creating a sound you want to keep for later use, press and hold
any one of the Memory Switches (1-5) until all of the front panel indica-
tors light.
Ex.) Press and hold Memory Switch [1] until all indicators light.
* INPUT LEVEL and OUTPUT LEVEL settings are not stored in memory.
Recalling a Patch
To use one of the patches stored in memory, just press the Memory
Switch [1]-[5] to which the data is stored.
The indicator of the selected Memory Switch lights.
Ex.) Recalling the patch stored to Memory Switch [2].
Knob Position and Settings
When a patch is recalled from memory, etc., it may be that the
knobs actual position differs from the value set in the recalled
patch.
In this case, the BBT500H is programmed to flash the patchs
value on the display without changing it or the sound until the
knobs position corresponds to the value in the recalled patch
setting.
If the display flashes when rotating the knob, continue rotating
the knob until its position matches the flashing value. When the
position and value match, the value will stop flashing on the
display and change as the knob is turned.
Ex.) If the GAIN knob is pointing at the 3 oclock posi-
tion and a patch with a GAIN setting of 4.0 is recalled.
After you recall or store a patch, the value for each knob will appear in
the display when the knob (COMP - TREBLE) is used.
However, if the value set in the patch is different than the knobs actual
position, the patchs value will flash in the display but it will not change,
nor will the sound, even though you are turning the knob. For more infor-
mation on this situation, refer to the Knob Position and Settings sec-
tion below.
The Useful “Undo” Function
Press and hold the [MANUAL] switch activates the Undo func-
tion, which returns settings to the condition they were in prior to
pressing a Memory Switch [1]-[5] or the [MANUAL] switch.
This function is useful in cases such as:
Yo u ve just made some changes to the patch saved in Memory
Switch [1] but pressed Memory Switch [2] before you could save
the changes to memory. Press and hold the [MANUAL] switch to
return the settings to the same condition they were in before you
pressed Memory Switch [2].
In the same manner, you made some changes to a patch but
pressed the [MANUAL] switch before you could save those
changes to memory. Press and hold the [MANUAL] button to re-
store your changes.
12
The BBT500H also features more precise settings for defining the fre-
quencies for each of the Tone Control knobs, operating the Compressor
and Noise Gate, or setting the Blend Level of the effect loop, etc.
To access these settings, press the [FUNCTION] switch and use the
four Modes described below.
Amp Mode
In this mode, each knob functions in the manner it is labeled on the
front panel.
Equalizer Mode
This mode is used to set the 1-band parametric equalizer and the
center frequency for each of the Tone Controls (Bass Treble).
Compressor Mode
This mode is used to set the Compressors blend level, noise gate
level, and effect loop.
Utility Mode
This mode is used to set the crossover filter, and individual MIDI
settings.
Individual settings in the Amp Mode, Equalizer Mode, and Compressor
Mode are saved when patch data is saved to the units memory.
Individual parameter settings in the Equalizer Mode and Compressor
Mode are set to their default values when the power is switched ON.
Individual settings in the Utility Mode are saved when exiting the Utility
Mode, and they are retained even if the power is switched OFF.
Detailed Parameter Settings
Amp Mode
Each knob functions in the manner it is labeled on the panel.
In the Amp Mode, the knobs value (or patchs setting value) is shown
on the display when the knob is turned.
* After the BBT500H’s power is switched ON or the [MANUAL] switch is
pressed, nothing is shown in the display until a Memory is recalled, or a
mode other than the Amp Mode is selected.
Enter the Amp Mode using one of the following methods.
The Amp Mode is the default mode when the BBT500s power is
switched ON.
Press the [MANUAL] Switch to enter the Amp Mode.
Press a Memory Switch [1] [5] to recall a patch. Or, press and
hold a Memory Switch to save a patch to memory.
In the Equalizer, Compressor, or Utility Mode, press the [FUNC-
TION] switch.
How Knobs Function in the Amp Mode
The knobs value is shown on the display
when the knob is turned.
q
Each control knobs function in the Amp Mode is the same as de-
scribed in the Sound Setting section ( pg. 10).
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: Selects the Sound Type (11 types)
e COMP: Compression Ratio (1.0 to , 16 steps)
r GAIN: Pre-Amp Gain (0 to 10, 0.1 step)
t MASTER: Master Volume (0 to 10, 0.1 step)
y BASS: Bass Frequency (-15dB to +15dB, 0.2dB step)
u LOW MID: Low Mid Frequency (-15dB to +15dB, 0.2dB step)
i MIDDLE: Middle Frequency (-15dB to +15dB, 0.2dB step)
o HIGH MID: High mid Frequency (-15dB to +15dB, 0.2dB step)
!0 TREBLE: Treble Frequency (-15dB to +15dB, 0.2dB step)
!1 OUTPUT: Sets the output level
w e r t y u i o !0 !1
13
Compressor Mode
The Compressor Mode provides settings for the Compressor, Noise Gate,
and Blend Level for the effect loop.
To enter the Compressor Mode, press and hold the [FUNCTION] switch
until the knob functions are displayed in the upper row of the panel dis-
play above the knobs (the row above that used by the Equalizer Mode).
How Knobs Function in the Compressor
Mode
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: No function.
e COMP (RATIO): Compression ratio (1.0 - , 16 steps) *operates the same
as COMP in the Amp Mode.
r GAIN (THRSLD): Compressor threshold level (-54dB to 0dB, 1dB step)
Sets the signal level from which the compressor will activate. Compres-
sion is applied to signals that exceed this level.
t MASTER (ATTACK): Compressor attack time (0msec to 120msec, 1msec
step).
Sets the amount of time required for application of the compressor from
the time the signal exceeds the threshold. When a slow attack time is set,
the beginning of the attack will not be compressed.
y BASS (RELEASE): Compressor release time (5msec to 42.3 sec, 160
steps).
Sets the amount of time required for the compressor to switch off after the
signal goes below the threshold level. This smoothes gain changes to
keep the sound natural.
u LOW MID (C. GAIN): Compressor gain (0dB to 18dB, 0.1dB step)
This parameter works in conjunction with the compressor ratio setting
which is set with the e COMP (RATIO) control knob. In other words, gain
is automatically adjusted along with amount of compression applied to
the signal. If the Ratio = 1.0, Gain = 0. If the Ratio = , Gain = the
setting determined with the control knob.
i MIDDLE (KNEE): Compressor knee (Hd (Hard), 1, 2, 3, 4, 5)
Sets the depth of signal compression after the input signal exceeds the
threshold level. When set to Hd (hard), compression starts soon with the
ratio you have set. However, when set to 1-5, compression startup is
gradual, creating a more natural sound (soft knee compression).
o HIGH MID (N. GATE): Noise gate threshold level (OFF, -53dB to 0dB,
1dB step)
When the input signals level falls below this set level, the noise gate acti-
vates cutting off the signal.
!0 TREBLE (BLEND): Blend level between the effect loops RETURN signal
and the dry signal (the sound created in the BBT500H) (0% (Return 0%,
Dry 100%) to 100% (Return 100%, Dry 0%)).
!1 OUTPUT: Sets the output level
The knobs value is shown on the
display when the knob is turned.
The function of each knob is
displayed here.
q w e r t y u i o !0 !1
The knobs value is shown on the
display when the knob is turned.
The function of each knob is
displayed here.
q w e r t y u i o !0 !1
0
+
e PEQ F
t PEQ G
Frequency
Gain
r PEQ Q
0.1
20
Equalizer Mode
The Equalizer mode lets you make settings for the internal 1-Band Para-
metric Equalizer, and set the center frequency (or in the case of the
TREBLE control knob, its cutoff frequency) for each of the panels Tone
Controls (BASS TREBLE) in the internal five-band equalizer.
To enter the Equalizer mode, press the [FUNCTION] switch. Knob func-
tions are displayed in the bottom row of the panel display above the
knobs.
How Knobs Function in the Equalizer Mode
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: No function.
e COMP (PEQ F): Sets the center frequency of the 1-band parametric equal-
izer (20Hz to 20.0kHz, 255 steps)
r GAIN (PEQ Q): Sets the bandwidth of the 1-band parametric equalizer.
(0.1 to 20.0, 255 steps)
t MASTER (PEQ G): Sets the gain level of the 1-band parametric equal-
izer. (-15dB to +15dB, 0.2dB step)
y BASS (FREQ): Sets the center frequency of the BASS control knob. (20Hz
to 320Hz, 255 steps)
u LOW MID (FREQ): Sets the center frequency of the LOW MID control
knob. (80Hz to 1.28kHz, 255 steps)
i MIDDLE (FREQ): Sets the center frequency of the MIDDLE control knob.
(250Hz to 4.00kHz, 255 steps)
o HIGH MID (FREQ): Sets center frequency of the HIGH MID control knob.
(500Hz to 8.00kHz, 255 steps)
!0 TREBLE (FREQ): Sets the center/cutoff frequency of the TREBLE con-
trol knob. (1.25kHz to 20.0kHz, 255 steps)
!1 OUTPUT: Sets the output level
Detailed Parameter Settings
14
Utility Mode
The Utility Mode provides settings for the Crossover Filter and MIDI.
These settings are saved internally when you exit the Utility Mode and
kept even when the amplifiers power is switched OFF.
Entering the Utility Mode
To enter the Utility Mode, from any mode press and hold the [FUNC-
TION] switch for more than 3 seconds, until utL appears on the dis-
play.
INPUT
TUNER
OUT
SPEAKER
First amplifier (HPF 500Hz)
Second amplifier (LPF500Hz)
SPEAKER
Produces
higher
frequencies
above 500Hz
Produces
low
frequencies
up to 500Hz
Detailed Parameter Settings
* Set the INPUT LEVEL
to its minimum level
INPUT
Bass
* Set to h50 with
the COMP control
knob
* Set to L50 with the
COMP control knob
How Knobs Function in the Utility Mode
In the Utility Mode, only the INPUT LEVEL, OUTPUT, and COMP knobs
function. All other knobs (SOUND TYPE, GAIN - TREBLE) have no func-
tion.
INPUT LEVEL: Sets the Input Level
OUTPUT: Sets the output level
COMP: Sets the cut off frequency of the crossover filter
When the COMP knob is used (when setting the crossover filter), the
settings value is shown in the display. Other than that, only utL ap-
pears on the display.
Use the [MANUAL] switch and Memory Switches [1] through [5] to set
individual MIDI settings. ( [MIDI Settings] pg. 15)
q w e
When the COMP knob is used (when
setting the crossover filter), the settings
value is shown in the display. Other than
that, only
utL appears on the display.
Individual MIDI
Settings
Crossover Filter
By connecting two BBT500Hs as shown in the illustration below, you
can create a bi-amplified system, where one amplifier is used to drive
high frequencies and a second amplifier drives low. This system uses
the amplifiers onboard crossover filter (LPF or HPF) to determine the
range of frequencies that each amplifier will deliver.
Setting the Crossover Filter
1 Press and hold the [FUNCTION] switch for more than three sec-
onds (until utL appears on the display) to enter the Utility
Mode.
2 Rotate the COMP knob to set the Crossover filters cutoff fre-
quency.
* Range of cutoff frequency
L10 (LPF 100Hz) to L00 (LPF 1000Hz), byP (Bypass),
h10 (HPF 100Hz) to h00 (HPF 1000Hz), 93 steps
When using a bi-amplified system, make sure
that the INPUT LEVEL control knob on the
second BBT500H is set to its minimum level.
Ex.) Operating a bi-amplified system in which the crossover fil-
ter on the first amplifier is set to h50 (HPF 500Hz) to pro-
duce high frequencies, and the crossover filter on the sec-
ond amplifier is set to L50 (LPF 500Hz) to produce low fre-
quencies.
15
STATUS
DATA/CTRL
BANK MSB/MAX
BANK LSB/MIN
TOGGLE ON-OFF
/NUMBER OF PGM
DEC
/NO
INC
/YES
MEMORY
EDIT
PC
EDIT
WRITE
/EXIT
±10
8.8.8.
Detailed Parameter Settings
MIDI Settings
The BBT500H is MIDI* compatible and equipped with MIDI IN and MIDI
OUT jacks.
* What is MIDI?
The acronym for Musical Instruments Digital Interface, MIDI is a world-
wide standard communication interface that allows MIDI compatible mu-
sical instruments, computers, and other MIDI devices to share musical
information and control one another regardless of instrument type or
maker.
With MIDI functions you can do things like select a patch from the
BBT500Hs memory using an external MIDI device like the MFC10
Yamaha MIDI Foot Controller, etc. You can also backup data by sending
the contents in the units memory to a device that is capable of saving
MIDI data (Yamaha MDF3, etc.).
Selecting a Patch with MIDI
1 Using a MIDI cable, connect the MIDI IN jack on the BBT500H to
the MIDI OUT jack on the external MIDI device.
* Use only a standard MIDI cable that is less than 15 meters in length. Use
of a longer cable can result in trouble such as abnormal operation, etc.
MIDI IN
MIDI OUT
External MIDI Device
MIDI Cable
BBT500H
Rear Panel
2 Set the MIDI receive channel on the BBT500H and the MIDI trans-
mit channel on the external device to the same MIDI channel.
(Default channel: 1)
* MIDI data can not be transmitted or received if the MIDI channels are
not properly matched.
2-1 Press and hold the [FUNCTION] switch for more than three
seconds (until utL appears on the display) to enter the
Utility Mode.
2-2 While holding the [MANUAL] switch, press Memory Switch [3].
The currently assigned MIDI receive channel appears on the
display (after a few seconds, the display will return to utL).
3 Create a Program Change Map*.
(Default
Program Change No: Memory No = 1:1, 2:2, 3:3, 4:4,
5:5, 6:1, 7:2, 8:3 )
* What is a Program Change Map?
A Program Change Map assigns a program change number (re-
ceived via MIDI) to a memory number. For example, when the
BBT500H receives Program Change Number 1 from an external
MIDI device, it will recall memory number 3. This is also called a
Program Change Table.
3-1 Press and hold the [FUNCTION] switch for more than 3 sec-
onds (until utL appears on the display) to enter the Utility
Mode.
3-2 While holding the [MANUAL] switch, press Memory Switch [1].
The currently assigned MIDI program change number appears
on the display (after a few seconds, the display will return to
utL).
3-3 Use Memory Switches [1] and [2] to set the program change
number (1-128) that is received by the BBT500H.
Use Memory Switch [2] to increase the value and Memory
Switch [1] to decrease the value.
3-4 While holding the [MANUAL] switch, press Memory Switch [2].
The memory number that will be recalled when the program
change number that was set in step 3-3, appears on the dis-
play. (After a few seconds, the display will return to utL).
3-5 Use Memory Switches [1] and [2] to set the memory number
(1-5) that corresponds to the program change number re-
ceived by the BBT500H.
Uses Memory Switch [2] to increase the value and Memory
Switch [1] to decrease the value.
3-6 If necessary, repeat steps 3-2 through 3-5.
3-7 Press the [FUNCTION] switch to enter the Amp Mode.
4 Now, when a program change number transmitted from an ex-
ternal MIDI device is received by the BBT500H, it will recall the
corresponding memory number that is set in the program
change map you just created will be recalled.
* Refer to the Owner’s Manual that came with your MIDI device on how
to receive or transmit program change data.
MIDI Receive Channel
Receive Program
Change Number
Memory Number
2-3 Use Memory Switches [1] and [2] to set the MIDI receive chan-
nel (1-16, ALL, oFF).
Use Memory Switch [2] to increase the value, and Memory
Switch [1] to decrease the value.
* “ALL” is set to Omni On. When “oFF” is set, MIDI data will
not be received.
16
Detailed Parameter Settings
MIDI Merge Settings
If you want MIDI signals received by the BBT500Hs MIDI IN jack trans-
mitted without alteration to other MIDI devices connected to the BBT500Hs
MIDI OUT jack, set the MIDI Merge to on, if not, set it to oFF.
1
Press and hold the [FUNCTION] switch for more than three sec-
onds (until utL appears on the display) to enter the Utility Mode.
2 While holding the [MANUAL] switch, press Memory Switch [4].
The current MIDI Merge setting appears on the display (after a
few seconds the display will return to utL).
3 Use Memory Switches [1] and [2] to set MIDI Merge either on
(Memory Switch [2]) or oFF (Memory Switch [1]).
4 Press the [FUNCTION] switch to enter the Amp Mode.
MIDI Bulk Out
You can use the MIDI Bulk Out operation to back up data saved in the
BBT500H (data in memory 1-5 and Utility Mode settings) to a device
that can save MIDI data (such as a Yamaha MDF3, etc.).
1 Using a MIDI cable, connect the MIDI OUT jack on the BBT500H
to the MIDI IN jack on an external MIDI device.
* Use only a standard MIDI cable that is less than 15 meters in length. Use
of a longer cable can result in trouble such as abnormal operation, etc.
2 Hold the [FUNCTION] switch for more than three seconds (un-
til utL appears on the display) to enter the Utility Mode.
3 While holding the [MANUAL] switch, press Memory Switch [5].
The type of data to be sent with the Bulk Out operation ap-
pears on the display (after a few seconds the display will re-
turn to utL).
MIDI IN
MIDI OUT
External MIDI Device
MIDI Cable
BBT500H
Rear Panel
4 Use Memory Switches [1] and [2] to set the type of data (1-5,
ALL) to be sent with the Bulk Out operation.
1-5 ...... Sends only the data from the selected memory number.
ALL ..... Sends all data in memory numbers 1-5 and Utility Mode
settings.
5 Press Memory Switch [5] to carry out the Bulk Out operation.
While the Bulk Out operation is in progress, all lamps on the
unit will light.
* The device number becomes the MIDI receive channel number ( pg.
15). When the MIDI receive channel is set to “ALL” (Omni ON), the
channel is set to 1.
6 Press the [FUNCTION] switch to enter the Amp Mode.
About MIDI Control Changes
You can control the overall volume of the BBT500H by con-
necting an external MIDI devices MIDI OUT jack to the
BBT500Hs MIDI IN jack, and transmit Number 7 Control
Change Messages (Main Volume) to the BBT500H.
* With the exception of the Number 7 Control Change, the BBT500H
does not recognize any other MIDI Control Change messages.
* The Main Volume data will not change, even if a different memory
number is selected.
* When the POWER is switched ON, the Main Volume data is set
to its MAX value.
*
After the Main Volume data is changed, and the external MIDI device
is disconnected, the pre-amp’s volume level may not be sufficient. If
this case occurs, transmit a Control Change with a higher volume
setting again, or switch the POWER OFF and then back ON.
About MIDI Bulk In
Using a MIDI cable, connect the MIDI IN jack on the BBT500H
to the MIDI OUT jack on an external MIDI device to return data
that has been stored on the external device, to the BBT500Hs
memory. This operation is referred to as MIDI Bulk In.
* The device number becomes the MIDI receive channel number
( pg. 15). When the MIDI receive channel is set to “ALL” (Omni
ON), the channel is set to 1. When set to “oFF” (OFF) data will
not be received.
* “Ld” appears on the display while receiving MIDI Bulk data.
Sending/Receiving MIDI Data Between
Two BBT500Hs
The MIDI Bulk In or MIDI Bulk Out operations can be used to
copy memory or Utility Setup data in one BBT500H to another
BBT500H.
MIDI Merge Setting
Type of data to be sent with
the Bulk Out operation.
Restoring the Factory Presets
This operation clears the contents
of the BBT500Hs memory 1-5
and restores all parameters to
their factory preset settings.
While holding the [MANUAL]
switch and Memory Switch [5],
switch the POWER switch ON.
17
Attaching the Rack Mount Adaptor
Attach the supplied rack mount adaptor lets you install the BBT500H in a stan-
dard 19-inch rack.
1. Remove the two screws A on the side of the device and remove the
carrying handle set.
2. Remove the two screws B on the side of the device.
3. Attach the supplied rack mount adaptor to the device using the three
supplied screws C.
* Never use any screws other than the supplied screws C. Using any other screws
can result in damage.
4. In the same manner, attach the other supplied rack mount adaptor to
the opposite side of the device.
5. Keep the leftover screws (A, B) in a safe place for future use.
* Make sure you don’t over-tighten the screws when reattaching the carrying handle
to the device. Doing so can result in damage to the carrying handle.
Air Flow
The device utilizes a forced air cooling system, which cools the interior of the unit by drawing air through the front intake by the fan, which
push the air out the back.
Intake Exhaust
Cooling fan
Front panel
Side view Rear view
Carrying Handle Set
Rack Mount Adaptor
(supplied)
A
B
C
Cable
Clamp Filter
Clamp Filter
Attaching the Clamp Filter (For U.S. and Canadian models only)
To protect against electromagnetic waves, attach the supplied Clamp Filters to the cable connecting the bass guitar
to the amplifiers INPUT jack, and the cables connecting the amplifiers SPEAKER 1, 2 jacks to the speakers.
* When attaching the clamp filter, wrap the cable once around the clamp filter as close to the BBT500H unit as possible.
18
If an error occurs during operation, one of the following error message numbers will appear on the display.
E1: MIDI Receive Buffer Full
CAUSE: Too much MIDI data is being received by the BBT500H at one time.
SOLUTION: Try reducing the amount of data being sent or, break the data into smaller blocks.
E2: Communication Error.
CAUSE: An abnormality is detected during MIDI communications.
SOLUTION: Check all connections, etc. and try again.
E3: Bulk Receive Check Sum Error.
CAUSE: The check sum does not match the received MIDI bulk data.
SOLUTION: Check all connections and data, and try again.
E4: MIDI Receive Data Abnormality.
CAUSE: An abnormality is detected in the received MIDI data.
SOLUTION: Check all connections and data, and try again.
Error Messages
Troubleshooting
No Sound
Is the power cord properly connected to the device?
Is the volume turned up on the instrument connected to the INPUT jack?
Are the INPUT LEVEL, GAIN, MASTER, OUTPUT control knobs set to 0?
Check the Effect Loops BLEND setting (Compressor Mode: TREBLE control knob). Unless an external effector is connected
to the device, raising the BLEND control will result in lowering the original sound. If the BLEND control is set to 100, the
original sound will not be produced.
Sound output is low
Is the volume turned up on the instrument connected to the INPUT jack?
Are the INPUT LEVEL, GAIN, MASTER, OUTPUT control knobs turned up?
Check the Effect Loops BLEND setting (Compressor Mode: TREBLE control knob). Unless an external effector is connected
to the device, raising the BLEND control will result in lowering the original sound. If the BLEND control is set to 100, the
original sound will not be produced.
Check the Compressor setting. A low Threshold setting or a high Ratio setting will result in a lowered the output signal level.
Also, a long release setting or low Compressor Gain setting will result in a lowered output signal level.
19
Specifications
Power Amplifier Section
Class-D power amplifier circuitry
Output 500W/2
Preamplifier Section
All digital signal processing
Sound Type: 11 Presets
5-Band Semi Parametric Tone Controls (Variable Frequencies)
Parametric Equalizer (PEQ, F, G, Q)
Effect Section
Compressor RATIO, THRSLD, ATTACK, RELEASE,
C. GAIN, KNEE
Limiter ON/OFF (SPEAKER, LINE OUT)
Noise Gate N. GATE
Crossover Filter LPF/HPF, Cutoff Frequency
Speaker Simulator ON/LINE/OFF (SPEAKER, LINE OUT)
Effect Loop
Monaural Send/Return, Level Switch (-20dB/+4dB), Effect
Blend Control
User Memory
5 User Memory (Sound Type, Amp Settings, Compressor,
Effect Blend)
MIDI Functions
Receive Program Change, Control Change, Bulk In
Transmit Program Change, Control Change, Bulk
Out, Merge Out
Controllers/Switches
Front Panel Control Knobs x 11, Push Switches x 7
Rear Panel Control Knob x1, Slide Switches x4
Displays
Push Switch LED x5
Sound Type LED x11
7-Segment LED x3 Digit
Input Level LED x2 (Green, Red)
Connections
INPUT: Standard Monaural Phone Jack
SPEAKER 1, 2: Standard Monaural Phone Jack
PHONES: Standard Stereo Phone Jack
LINE OUT (UNBALANCED OUT): Standard Monaural Phone Jack
LINE OUT (BALANCED OUT): XLR Jack
FX LOOP (SEND/RETURN): Standard Monaural Phone Jack
TUNER OUT: Standard Monaural Phone Jack
MIDI IN, MIDI OUT: 5-pin DIN jack
A/D Conversion
24 bit
D/A Conversion
24 bit
Sampling Frequency
48kHz
Input Level/Impedance
INPUT: -37dBm (thru)/1M
FX LOOP RETURN: -20dBm/220k, +4dBm/220k
Output Level/Impedance
SPEAKER (BRIDGED OUT): 500W RMS/2, 250W RMS/4
LINE OUT (UNBALANCED OUT): +4dBm/10k
LINE OUT (BALANCED OUT): +4dBm/600
FX LOOP SEND: -20dBm/100k, +4dBm/100k
Power Requirements
U.S. and Canadian models : 120V, 60Hz
General model : 230V, 50-60Hz
Power Consumption
130W
Dimensions (W x H x D)
378 x 88 x 265 mm (14-7/8 x 3-7-16 x 10-7/16)
Weight
U.S. and Canadian models : 4.7 kg (10 lbs. 6 oz)
General model : 5.2 kg (11 lbs. 7 oz)
Accessories
Power Cable
Rack Mount Adaptors X2
Rack Mount Adaptor Screws X6
Owners Manual (this booklet)
Clamp Filters X3 (U.S. and Canadian models only)
* Design and specifications may change without notice due to improvements.
95
YAMAHA [ Bass Amplifier ] Date:23-Dec-2003
Model BBT500H MIDI Implementation Chart Version : 1.0
+----------------------------------------------------------------------+
: : Transmitted : Recognized : Remarks :
: Function ... : : : :
:-------------------+----------------+----------------+----------------:
:Basic Default : x : 1 - 16, off : memorized :
:Channel Changed : x : 1 - 16, off : :
:-------------------+----------------+----------------+----------------:
: Default : x : 1,3 : memorized :
:Mode Messages : x : x : :
: Altered : ************** : x : :
:-------------------+----------------+----------------+----------------:
:Note : x : x : :
:Number : True voice: ************** : x : :
:-------------------+----------------+----------------+----------------:
:Velocity Note ON : x : x : :
: Note OFF : x : x : :
:-------------------+----------------+----------------+----------------:
:After Key's : x : x : :
:Touch Ch's : x : x : :
:-------------------+----------------+----------------+----------------:
:Pitch Bender : x : x : :
:-------------------+----------------+----------------+----------------:
: 0 - 6 : x : x : :
: 7 : x : o : Main Volume :
: 8 - 127 : x : x : :
: : : : :
: Control : : : :
: : : : :
: Change : : : :
: : : : :
: : : : :
: : : : :
: : : : :
: : : : :
: : : : :
:-------------------+----------------+----------------+----------------:
:Prog : x : o 0 - 127 : Program Change :
:Change : True # : ************** : : Number 1-128 :
:-------------------+----------------+----------------+----------------:
:System Exclusive : o : o : Bulk Dump :
:-------------------+----------------+----------------+----------------:
:System : Song Pos. : x : x : :
: : Song Sel. : x : x : :
:common : Tune : x : x : :
:-------------------+----------------+----------------+----------------:
:System :Clock : x : x : :
:Real Time :Commands: x : x : :
:-------------------+----------------+----------------+----------------:
:Aux :All Sound OFF: x : x : :
: :
Reset All Cntrls
: x : x : :
: :Local ON/OFF : x : x : :
: :All Notes OFF: x : x : :
:Mes- :Active Sense : o : x : :
:sages:Reset : x : x : :
:-------------------+----------------+----------------+----------------:
: :
: :
+-------------------+----------------+----------------+----------------+
Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO o : Yes
Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF, MONO x : No
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