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POWER AMPLIFIER
Setup Guide
Installationsanleitung
Guide de configuration
Guía de configuración
Guida alla configurazione
Guia de Configuração
Руководство по настройке
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2
MA2120 Setup Guide
Contents
Connections 3
Attaching Euroblock Plugs................................................................................................................................ 3
Connecting Speaker Cables............................................................................................................................. 3
Connecting Microphones or External Devices ................................................................................................. 4
Connecting Microphones ....................................................................................................................... 4
Connecting External Devices ................................................................................................................. 4
Using the Mono Sum Input ..................................................................................................................... 4
Connecting the PA2120 Power Amplifier.......................................................................................................... 5
Connecting a Control Panel .............................................................................................................................. 6
Functions Operated Via the Control Panel ............................................................................................. 6
Using the [REMOTE] Connector (Euroblock 3-pin) .......................................................................................... 7
Setup Mode (Advanced settings) 8
Setup Mode Operation Procedure.................................................................................................................... 8
Indication of Parameter Settings....................................................................................................................... 8
Operation Procedure ........................................................................................................................................ 9
Turning Off the Microphone Input High-Pass Filter ................................................................................ 9
Applying Compressor to the Microphone Input .....................................................................................9
Applying EQ (equalizer) to the Input Signal ......................................................................................... 10
Applying Echo/Reverb to the Input Signal............................................................................................ 11
Adjusting the Reverb Mix Level ............................................................................................................ 11
Adjusting the Ducker Sensitivity ........................................................................................................... 12
Regulating BGM Volume (Leveler) ....................................................................................................... 12
Setting the Chime Volume .................................................................................................................... 13
Adjusting the Line Out Volume by Using the [VOLUME] Knob ............................................................ 13
Microphone Feedback Suppressor ...................................................................................................... 14
Initializing the settings via connected controll panels (DCP Setup)..................................................... 14
List of DIP Switch Settings .............................................................................................................................. 15
[SETUP] DIP switches........................................................................................................................... 15
[SPEAKER A] and [SPEAKER B] DIP switches .................................................................................... 16
Appendix 17
List of Functions Operated Via the Control Panel ........................................................................................... 17
High-Impedance and Low-Impedance Connections ..................................................................................... 18
Multiple Speaker System Drive Capability............................................................................................ 18
Technical Specifications 163
This Setup Guide explains settings to make after installation, and connecting control panels and remote controller.
• The illustrations as shown in this manual are for instructional purposes only, and may appear somewhat different from those on
your device.
• The company names and product names in this manual are the trademarks or registered trademarks of their respective
companies.
3
MA2120 Setup Guide
Connections
NOTE
• You must use the supplied Euroblock plugs. If the plugs have been lost, please contact your Yamaha dealer.
• Use the 6-pin Euroblock plugs when connecting to the [INPUT] connectors 1-6.
• To prepare the cable for attachment to a Euroblock connector, strip the wire as shown in the illustration using stranded wire to make
connections. With a Euroblock connection, stranded wires may be prone to breakage because of metal fatigue due to the weight of
the cable or due to vibration. When rack mounting your device, use a lacing bar when possible to bundle and fasten the cables.
• Do not tin (solder) the exposed end.
1 Loosen terminal screws.
2 Insert cables.
3 Securely tighten terminal screws.
4 Insert the Euroblock plug into a terminal of this device.
The [SPEAKERS] output connectors on the rear panel are barrier strip type connectors. The connections are described below for two
methods: using a spade lug and using a bare conductor.
Caution
• Ensure that load is not applied to the speaker cable.
• This device uses a BTL (Balanced Transformer-Less) connection method for the amplifier output. As the amplifier output is sent to the
positive and negative connectors, any contact with other terminals or the device chassis may lead to malfunction.
NOTE
Connect the cables so that the amplifier’s “+” and “-” symbols match those of the speaker. If they are reversed, the phase will be
reversed and the sound will not be output correctly.
When using a spade lug
Loosen the screw, insert the spade lug all the way from below,
and tighten the screw.
When using a bare conductor
Loosen the screw, wrap the conductor wire around the barrier
strip terminal, and tighten the screw. Be sure that the bare wire
does not touch the chassis.
Attaching Euroblock Plugs
Connecting Speaker Cables
12 34
Slotted screwdriver
Euroblock plug
Terminal
screw
Tighten
Loosen
Example (Connection to the [REMOTE] connector)
Approx. 5 mm
(approx. 0.2")
≥3.2mm
(≥ 0.13")
≥5.8mm
(≥0.23")
Speaker cable
Wire should not
touch the
chassis.
15mm*
(0.6")
* Actual size
Connections
4
MA2120 Setup Guide
Connect a microphone, BGM tuner, CD player or other portable audio player to an [INPUT] connector/jack using an appropriate cable
when the device is powered off. After finishing all connections, connect the power cord to an AC outlet.
Warning
When connecting the power cord to an AC outlet, an input signal will turn on the power of this device by the auto-wake function. To avoid
unexpected loud sounds, be sure to connect microphones and external devices with the power off status.
NOTE
Refer to “Attaching Euroblock Plugs” for Euroblock plug installation.
Connecting Microphones
Connect microphones to [INPUT] connectors 1 - 6 using a
Euroblock plug.
When using a microphone that requires phantom power (+24V),
set the [GAIN] switch to “MIC(+24V)”.
For microphones that do not require phantom power, set the
[GAIN] switch to “MIC”.
Caution
• Only switch the phantom power on/off when the [VOLUME A]
and [VOLUME B] knobs are turned all the way down.
• Keep the phantom power turned off when it is not required, or
if you wish to connect a non-supporting device.
• Do not connect or disconnect the cable while phantom power
is left on.
Connecting External Devices
Use the following procedure to connect a line level external
device.
Use a Euroblock plug to connect via [INPUT] connectors 1 - 6.
At this time, set the [GAIN] switch to “LINE”.
If the external device has an extremely low output level, set the
[GAIN] switch to “MIC” to improve the input gain.
Use an RCA cable to connect to [INPUT] jacks 7 and 8. If the
source is stereo and you are using zone A and zone B as stereo,
set the [MODE] switch to “STEREO”. If you are using zone A and
zone B separate from each other, set the [MODE] switch to
“MONO” and use the [ROUTE] switch to select which zone
receives the audio output.
Use a mini-stereo plug to connect via the [AUX IN] jack on the
front panel. The signal from the [AUX IN] jack is mixed into the
same signal path as [INPUT] jack 8.
Using the Mono Sum Input
[INPUT 5] and [INPUT 6] are equipped with mono sum input.
Each can be used for summing a line level stereo source, or two
separate mono sources. The input signal is mixed directly to
mono and output to the zone that was selected using the
[ROUTE] switch for [INPUT] jack 5 and 6. Use of the [MONO
SUM INPUT] jacks can allow a large number of external devices
to be connected without the need for a separate mixer. However,
note that when there is also input via Euroblock plugs for
[INPUT] connector 5 or 6, the signal input from [MONO SUM
INPUT] is mixed in with the signal from [INPUT] connector 5 or 6.
Connecting Microphones or External Devices
MA2120 rear panel
RCA
Euroblock
Connections
5
MA2120 Setup Guide
When using a large number of speakers that the MA2120 is not capable of handling alone, it is possible to connect a PA2120 power
amplifier to provide extra capacity.
To utilize this functionality, connect the [LINE OUT] jack of the MA2120 to the [INPUT] jack of the PA2120 using an RCA cable when all
devices are powered off. If you wish to further expand capacity, it is possible to connect another PA2120 power amplifier. Simply connect
the [THRU OUT] jacks of the PA2120 to the [INPUT] jacks of the additional PA2120 power amplifier. After finishing all connections,
connect the power cord to an AC outlet.
Warning
When connecting the power cord to an AC outlet, an input signal will turn on the power of this device by the auto-wake function. To avoid
unexpected loud sounds, be sure to connect microphones and external devices with the power off status.
NOTE
When lowering the output level with the [VOLUME] knobs or an external control panel, the Auto-wake function of PA2120 may not work
properly because of an absence of input level. Be sure to set the output level to the PA2120 enough for the Auto-wake function to work
properly.
In setup mode, you can set whether the output level from the MA2120 [LINE OUT] jacks is linked with the output level from the MA2120
[SPEAKERS] terminals, or independently controlled. Set the [VOLUME] knobs of the PA2120 to maximum to adjust the level of PA2120 to
the same level of MA2120. Linked operation when using the control panel can be set using the [SETUP] DIP switch.
Connecting the PA2120 Power Amplifier
MA2120 rear panel
PA2120 rear panel
PA2120 rear panel
Further expanding
Connections
6
MA2120 Setup Guide
Connecting Yamaha Digital Control Panel (DCP1V4S, DCP4S, DCP4V4S) to MA2120 enables you to control the volume, to switch inputs,
etc. remotely. You can connect up to two control panels. The total length of the cables from the MA2120 to the last control panel must not
exceed 800 meters in the case of 24AWG.
NOTE
When connecting control panels via DCH8, the total length of the cables to the final control panel must be less than 200m (according to
DCH8 specifications). If you need a longer connection, we recommend not using the DCH8, but connecting the devices in a daisy-chain
configuration.
Precautions when connecting two control panels:
• Connect them in a daisy-chain configuration.
• Set the panel IDs separately.
• Set the second control panel DIP switch 4 to ON. (termination setting)
This setting is only for the second device when connecting two devices.
• Ensure that the total Ethernet cable length does not exceed 800 meters in the case of 24AWG.
Functions Operated Via the Control Panel
Several useful features of the MA2120 power amplifier can be utilized by connecting a control panel.
Linked operation of output levels from [SPEAKERS] terminals and [LINE OUT] jacks
Set the [SETUP] DIP switch on the rear panel to [SPEAKERS+LINE OUT] to allow the output level of the [SPEAKERS] and [LINE OUT] to
be controlled together via the control panel.
Input Signal On/Off Switching and Linked Operation
The input channel of a device such as a microphone can be switched on and off by using the switch on the control panel.
It is also possible to link on/off operation so that it triggers a chime, or mutes the input signal from [INPUT] jacks 7 and 8.
Connecting a Control Panel
1
ON
2 3 41
ON
2 3 4
1 2 3
1
1 2 3
0
1 2 3
2
1 2 3
3
1 2 3
4
1 2 3
5
1 2 3
6
1 2 3
7
1
ON
2 3 4
MA2120 rear panel
RJ-45
Sets the panel ID
Set the DIP switch 4 to ON
(termination setting).
(The second control panel only if
connecting two devices.)
Rear panel
Yamaha Digital Control Panel
Ethernet straight cable
(CAT5e or more; 800m or less
(24 AWG))
Sets the panel ID
Rear panel
Panel ID setting for control panel
Connections
7
MA2120 Setup Guide
You can connect switches to the rear panel [REMOTE] connector, and use them to remotely mute/unmute outputs of all channels, or
switch the power standby/on status.
From the left, the [REMOTE] connector consists of M (mute all), S (standby), and G (ground) pins.
The [REMOTE] connector uses a Euroblock plug. For details on how to connect Euroblock plugs, refer to “Attaching Euroblock Plugs.”
Muting/unmuting all channels Switching the power standby/on status
NOTE
• When the device is put into standby mode via the [REMOTE] connector, it is not possible to turn the power back on by pressing the
[z] button on the front panel, or by the auto-wake function with input signal detection. The power can only be turned on via the
[REMOTE] connector.
• When the device is put into mute mode via the [REMOTE] connector, the [z] button will flash in green.
Using the [REMOTE] Connector (Euroblock 3-pin)
Turning mute on Turning mute off
Switching the power to standby Turning the power on
8
MA2120 Setup Guide
Setup Mode (Advanced settings)
Advanced settings for MA2120 power amplifier can be configured by using the [SETUP] encoder and input level knobs 1 - 8.
There are three types of setup modes that can be used to configure advanced settings. Operation and functionality for each setup mode
type is shown as follows:
• Input channel setup mode Press and hold the [SETUP] encoder for at least one second.
Microphone high-pass filter, microphone compressor, input EQ (TREBLE, BASS), reverb, ducker, leveler
• Output zone setup mode Press and hold the [SETUP] encoder and input level knob 1 simultaneously for at least one
second.
Chime volume, linked operation of [SPEAKERS] and [LINE OUT]
• Other setup mode Press and hold the [SETUP] encoder and input level knob 2 simultaneously for at least one second.
Feedback suppressor, DCP setup
Advanced settings can be configured with the following procedure:
Once each operation is carried out successfully, the corresponding indicator flashes three times at high speed.
When selecting functions or channels, the indicator flashes slowly to indicate which functions or channels are able to be selected.
While adjusting a parameter, you can press an input level knob so that the corresponding [INPUT SIG] indicator (showing the selected
function) and [INPUT PEAK] indicator (showing the selected channel) both flash.
After you set the parameter, press the [SETUP] encoder to confirm the setting.
At this time, press and hold the [SETUP] encoder for at least four seconds to reset the current parameter to the default setting.
Once the parameter has been confirmed, the device mode returns to the channel selection. Press the [SETUP] encoder again to return
to the function selection, and once more to return to the regular mode.
In setup mode, the current settings are indicated by the three indicators above the [SETUP] encoder.
The indicators can turn on or flash to show the on/off state or the currently set value. In addition, depending on the parameter value, the
flashing behavior may differ. For example, when the delay time of echo set is increased, the lighting time during flashing becomes longer.
In this guide, the behavior of the indicators is shown as follows.
: Lights continuously
: Flashes
: Off
[SETUP] encoderInput level knobs 1 - 8
Setup Mode Operation Procedure
Select the setup mode Select the function Select the channel Set parameters
[SETUP] encoder
Input level knobs 1 and 2
Input level knobs 1 - 8 Input level knobs 1 - 8 [SETUP] encoder
Apply the parameter and return to channel selection Return to function selection Return to conventional operation
[SETUP] encoder [SETUP] encoder [SETUP] encoder
Indication of Parameter Settings
Setup Mode (Advanced settings)
9
MA2120 Setup Guide
Turning Off the Microphone Input High-Pass Filter
The microphone input high-pass filter (Cut-off frequency: 120Hz) is turned on by default. This can reduce wind or popping noise when
using a microphone.
The high-pass filter is enabled for the input channel when the [GAIN] switch is set to either “MIC(+24V)” or “MIC”.
NOTE
The high-pass filter is also applied to the [MONO SUM INPUT] when the [GAIN] switch for INPUT 5 and 6 is set to either “MIC(+24V)” or
“MIC”.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 1.
3 Press input level knobs 1 - 6 to select to which
input channel you would like to apply the high-
pass filter.
4 Turn the [SETUP] encoder to switch between on
and off.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Applying Compressor to the Microphone Input
The microphone input can be run through a compressor that appropriately compresses the input signal, and adjusts the output level
automatically.
The compression level is shown as one of seven levels with higher values indicating a higher level of compression.
The compressor is enabled for the input channel when the [GAIN] switch is set to either “MIC(+24V)” or “MIC”.
NOTE
The compressor is applied to the [MONO SUM INPUT] when the [GAIN] switch for INPUT 5 and 6 is set to either “MIC(+24V)” or “MIC”.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 2.
3 Press input level knobs 1 - 6 to select to which
input channel you would like to apply the
compressor.
4 Turn the [SETUP] encoder to adjust the level of
compression.
The parameter value changes with each click of the
encoder.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Operation Procedure
2 1, 4, 53
Off:
On: (Default setting)
1, 4, 5
3
2
Off: (Default setting)
1:
2 and 3:
4:
5 and 6:
7:
Setup Mode (Advanced settings)
10
MA2120 Setup Guide
Applying EQ (equalizer) to the Input Signal
A two-band EQ (TREBLE and BASS) can be applied to the input signal to adjust the sound quality.
The EQ range is ±10dB and can be set in intervals of 1dB.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 3 (BASS), or input level
knob 4 (TREBLE).
3 Press input level knobs 1 - 8 to select to which
input channel you would like to apply the EQ.
4 Turn the [SETUP] encoder to adjust the level of
EQ.
The parameter value changes with each click of the
encoder.
NOTE
If the set EQ value for [INPUT 7] and [INPUT 8] exceeds
+5dB, the enhancer function starts and harmonic
overtones are added.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
2 3 1, 4, 5
-10dB:
-9 to -6dB:
-5dB:
-4 to -1dB:
0dB: (Default setting)
+1 to +4dB:
+5dB:
+6 to +9dB:
+10dB:
Setup Mode (Advanced settings)
11
MA2120 Setup Guide
Applying Echo/Reverb to the Input Signal
Echo/Reverb can be applied to the INPUT 1 and INPUT 3 input signals to add extra sound reverberation.
The “Echo” type, which allows for the adjustment of reverberation time, or three “Reverb” types are available.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 5.
3 Press input level knob 1, or input level knob 3 to
select to which input channel you would like to
apply the echo/reverb.
4 Turn the [SETUP] encoder to select the echo/
reverb preset.
The parameter value changes with each click of the
encoder.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Adjusting the Reverb Mix Level
You can adjust the mix level of the reverb that is applied to the [INPUT 1] and [INPUT 3] input signals.
The percentage of reverb applied to the original signal can be set from 0% to 100%. There are ten possible levels with intervals of 10%.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 6.
3 Press input level knob 1, or input level knob 3 to
select to which input channel you would like to
adjust reverb mix level.
4 Turn the [SETUP] encoder to adjust the reverb
mix level.
The parameter value changes with each click of the
encoder.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
23 1, 4, 5
Off: (Default setting)
Echo:
(As the echo time is increased, the
center indicator flash time
becomes longer. The maximum
value is indicated by a flash that
has a 740ms light-on time.)
Reverb:
(Right indicator flashes for type A
and type B. It stays on for type C.)
23 1, 4, 5
0%:
10%:
20% to 40%:
50%: (Default setting)
60% to 90%:
100%:
Setup Mode (Advanced settings)
12
MA2120 Setup Guide
Adjusting the Ducker Sensitivity
You can adjust the sensitivity of the ducker function. When there is an input signal to [INPUT 1] or [INPUT 3], this function can mute the
microphone input for channels outside that particular output zone, or lower their line input volume by 24dB.
The ducker input sensitivity can be set to “Low”, “Mid”, or “High”.
NOTE
The ducker function can be turned on or off by switching [SETUP] DIP switches 7 and 8 when the device is powered off or in standby
mode.
For more information, refer to “Controls and Functions” of the owner's manual, or “List of DIP Switch Settings” on page 15.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 7.
3 Press input level knob 1, or input level knob 3 to
select to which input channel you would like to
adjust the sensitivity of ducker function.
4 Turn the [SETUP] encoder to adjust the ducker
sensitivity.
The parameter value changes with each click of the
encoder.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Regulating BGM Volume (Leveler)
You can select the target level for the leveler function. This function adjusts the volume to an almost constant range when there are
[INPUT 7]/[INPUT 8] input signals that have a significant variation in volume.
The leveler function can be used to adjust a signal with a range of up to ±6dB. The target level can be set to “Off,” “Low” or “Normal.”
NOTE
Channels with the leveler function enabled have an output signal delay of approximately 20ms due to the required arithmetic processing.
1 Press and hold the [SETUP] encoder for at least
one second.
2 Press input level knob 8.
3 Press input level knob 7, or input level knob 8 to
select to which input channel you would like to
apply the leveler function.
4 Turn the [SETUP] encoder to select the target
level.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
23 1, 4, 5
Low:
Mid: (Default setting)
High:
3 2 1, 4, 5
Off: (Default setting)
Low:
Normal:
Setup Mode (Advanced settings)
13
MA2120 Setup Guide
Setting the Chime Volume
You can set the volume of the chime that is emitted when the microphone input is turned on or off via by the control panel switch.
The volume can be set to “Mute”, “-12dB”, or “-6dB”. You can set different volumes for each zone.
1 Press and hold the [SETUP] encoder and input
level knob 1 simultaneously for at least one
second.
2 Press input level knob 1.
3 Press input level knob 1 (Zone A), or input level
knob 2 (Zone B) to select to which output
channel you would like to set the chime volume.
4 Turn the [SETUP] encoder to set the volume.
The parameter value changes with each click of the
encoder.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Adjusting the Line Out Volume by Using the [VOLUME] Knob
You can turn the linked operation function for [SPEAKERS] and [LINE OUT] on or off. This function allows the output signal level from the
[LINE OUT] jack to be simultaneously adjusted when the [VOLUME A] and [VOLUME B] knobs are operated.
NOTICE
When switching this parameter, set the volume of the device connected to the [LINE OUT] connector to minimum.
1 Press and hold the [SETUP] encoder and input
level knob 1 simultaneously for at least one
second.
2 Press input level knob 2.
3 Press input level knob 1 (Zone A), or input level
knob 2 (Zone B) to select to which output
channel you would like to adjust the line out
volume by using the [VOLUME] knob.
4 Turn the [SETUP] encoder to turn the linked
operation function for [SPEAKERS] and [LINE
OUT] on or off.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
1, 2 3 1, 4, 5
Off:
-12dB:
-6dB: (Default setting)
0dB:
123 4, 5
Off: (Default setting)
On:
Setup Mode (Advanced settings)
14
MA2120 Setup Guide
Microphone Feedback Suppressor
You can turn the feedback suppressor function on or off. This function automatically suppresses microphone feedback when detected.
The feedback suppressor is enabled for the input channel when the [GAIN] switch is set to either “MIC(+24V)” or “MIC”.
NOTE
The feedback suppressor is applied to the [MONO SUM INPUT] when the [GAIN] switch for INPUT 5 and 6 is set to either “MIC(+24V)”
or “MIC”.
1 Press and hold the [SETUP] encoder and input
level knob 2 simultaneously for at least one
second.
2 Press input level knob 1.
3 Press input level knobs 1 - 6 to select for which
input channels you would like to use the
feedback suppressor.
4 Turn the [SETUP] encoder to switch between the
feedback suppressor on and off.
5 Press the [SETUP] encoder to apply the setting.
The status is back to the channel select (Step 3).
Initializing the settings via connected controll panels (DCP Setup)
When turning on the power, this sets whether resuming the settings of connected control panels or initializing.
1 Press and hold the [SETUP] encoder and input
level knob 2 simultaneously for at least one
second.
2 Press input level knob 2.
3 Press input level knob 1.
4 Turn the [SETUP] encoder to switch between
resuming the previous settings or initializing the
settings when turning on the power.
5 Press the [SETUP] encoder to apply the setting.
The status returns to Step 3.
123 4, 5
Off:
On: (Default setting)
123 4, 5
Resume: (Default setting)
Initialize:
Setup Mode (Advanced settings)
15
MA2120 Setup Guide
DIP switch functions are also listed in the “Controls and Functions” section of the owner's manual.
Only operate DIP switches when the device is powered off or in standby mode. The setting change will be applied after carrying out a
power cycle by pressing the [z] button on the front panel.
[SETUP] DIP switches
DIP switch 1/2: Panel lock
Set knobs and controls to be locked on the panel.
DIP switches 3/4: Auto-wake
Enable the function where the device automatically turns on from standby mode upon detection of an input signal.
NOTE
The auto-wake function is completely disabled if the device has been put into standby mode through operation via the [REMOTE]
connector.
DIP switch 5: A - B volume link
Sets whether SPEAKER A and SPEAKER B volume is linked. When linked, the volume for both speakers can be controlled with the
[VOLUME A] knob.
NOTE
If you turn on “A - B volume link” when the function to allow control of the line out volume A and B by the [VOLUME] knob is enabled in
setup mode, LINE OUT A and B are also linked.
DIP switch 6: DCP volume link
Sets whether the [SPEAKERS] and [LINE OUT] jack output levels are linked, when changing the volume via the DCP.
NOTE
When the link function is on, you can control the volume by using both of [SPEAKER] and [LINE OUT] on the control panel.
List of DIP Switch Settings
1 2 Setting
Panel lock off (All controls are enabled)
Locks the [SETUP] knob
Locks controls other than [VOLUME] knobs
Panel lock on (All controls are disabled)
3 4 Setting
Auto-wake function on
Auto-wake function on. Only when the system is switched from AC off to
standby mode due to insertion of the AC plug, or put into standby mode
by the auto-standby function.
Auto-wake function off
5 Setting
Link off (SPEAKER A and SPEAKER B volume levels are independently controlled)
Link on (SPEAKER A and SPEAKER B volume levels are both controlled via the
[VOLUME A] knob)
6 Setting
Link off ([SPEAKERS] and [LINE OUT] jack volume levels are controlled separately)
Link on ([SPEAKERS] and [LINE OUT] jack output is controlled together)
Setup Mode (Advanced settings)
16
MA2120 Setup Guide
DIP switches 7/8: Ducker
Configure the settings for the Ducker function. This can mute the microphone input of other channels, and lower the volume of line input
when signals are input to [INPUT 1] or [INPUT 3].
[SPEAKER A] and [SPEAKER B] DIP switches
DIP switches 1, 2, and 3: Amplifier mode setup
DIP switches 1, 2, and 3: Amplifier mode setup
NOTICE
If the DIP switch settings do not match the actual speaker impedance or input power rating, the device may have poor performance, and
it may even lead to malfunction or sound dropout. Always ensure that appropriate settings are chosen.
DIP switches 4, 5, and 6: Speaker EQ
Sets the speaker EQ that corrects the output signal to match the type of speakers that are connected.
7 8 Setting
Ducker off
Ducker on when signals are input to [INPUT 1].
Ducker on when signals are input to [INPUT 3].
Ducker on when signals are input to [INPUT 1] or [INPUT 3]. If signals
are input to both of them, [INPUT 1] is given precedence.
1 2 3 Setting
Amplifier output 120W, High-impedance 100V
Amplifier output 120W, High-impedance 70V
Amplifier output 200W, High-impedance 100V, Output only from [SPEAKERS] output
terminal A
Amplifier output 200W, High-impedance 70V, Output only from [SPEAKERS] output
terminal A
Amplifier output 100W, Low-impedance 8Ω or more
Amplifier output 120W, Low-impedance from 4Ω to less than 8Ω
Amplifier output 100W, Low-impedance from 3Ω to less than 4Ω
Output muted
4 5 6 Setting
Off
High pass filter 150Hz
Low pass filter 150Hz
Low pass filter 200Hz
Frequency correction tailored for Yamaha VXS series speakers
Frequency correction tailored for the Yamaha VXS10S/VXS10ST
subwoofer (45-150Hz)
Frequency correction tailored for Yamaha VXC series speakers
17
MA2120 Setup Guide
Appendix
DCP1V4S
DCP4S
DCP4V4S
List of Functions Operated Via the Control Panel
Panel
ID
Encoder Switch 1 Switch 2 Switch 3 Switch 4
0, 1 Volume control
Encoder
operation target:
SPEAKERS A
Encoder
operation target:
SPEAKERS B
2, 3 Volume control
[INPUT 1] on/off
Chime on
[INPUT 3] on/off
Chime on
Encoder
operation target:
SPEAKERS A
Encoder
operation target:
SPEAKERS B
4, 5 Volume control
[INPUT 1] on/off
Chime on
Mute [INPUT] 7 and 8
[INPUT 3] on/off
Chime on
Mute [INPUT] 7 and 8
Encoder
operation target:
SPEAKERS A
Encoder
operation target:
SPEAKERS B
6, 7 Volume control
Encoder
operation target:
LINE OUT A
Encoder
operation target:
LINE OUT B
Encoder
operation target:
SPEAKERS A
Encoder
operation target:
SPEAKERS B
Panel
ID
Switch 1 Switch 2 Switch 3 Switch 4
0, 1
Volume up:
SPEAKERS A
Volume down:
SPEAKERS A
Volume up:
SPEAKERS B
Volume down:
SPEAKERS B
2, 3
Volume up:
LINE OUT A
Volume down:
LINE OUT A
Volume up:
LINE OUT B
Volume down:
LINE OUT B
4, 5
[INPUT 1] on/off
Chime on
[INPUT 3] on/off
Chime on
6, 7
[INPUT 1] on/off
Chime on
Mute [INPUT] 7 and 8
[INPUT 3] on/off
Chime on
Mute [INPUT] 7 and 8
Panel
ID
Encoder 1 Encoder 2 Encoder 3 Encoder 4
0, 1
Volume control
LINE OUT A
Volume control
LINE OUT B
Volume control
SPEAKERS A
Volume control
SPEAKERS B
2
Volume control
INPUT 1
Volume control
INPUT 2
Volume control
INPUT 3
Volume control
INPUT 4
3
Volume control
INPUT 5
Volume control
INPUT 6
Volume control
INPUT 7
Volume control
INPUT 8
4, 5
Volume control
INPUT 1
Volume control
INPUT 3
Volume control
SPEAKERS A
Volume control
SPEAKERS B
6, 7
Volume control
INPUT 7
Volume control
INPUT 8
Volume control
SPEAKERS A
Volume control
SPEAKERS B
Panel
ID
Switch 1 Switch 2 Switch 3 Switch 4
0, 1
2 [INPUT 1] on/off [INPUT 2] on/off [INPUT 3] on/off [INPUT 4] on/off
3 [INPUT 5] on/off [INPUT 6] on/off [INPUT 7] on/off [INPUT 8] on/off
4, 5
[INPUT 1] on/off
Chime on
Mute [INPUT] 7 and 8
[INPUT 3] on/off
Chime on
Mute [INPUT] 7 and 8
6, 7
Appendix
18
MA2120 Setup Guide
For a high-impedance connection, a speaker transformer that raises the impedance to several hundred or thousand ohms is added to
the speaker system. This allows the speaker system to be effectively driven with much lower current than is required for a low-impedance
connection. Therefore, a large number of speaker systems can be connected. Even over long distances, there is very little transmission
loss due to the cable resistance being negligible in relation to the impedance of the speaker system. High-impedance speaker
connections usually operate at a specific maximum power amplifier voltage of 100 or 70 volts.
The more orthodox low-impedance connection does not use a speaker transformer. The speaker systems are directly connected to the
power amplifier with a rated impedance generally around 4 - 16 ohms. For short distances over which cable resistance is insignificant,
low-impedance connections deliver a sound quality that is superior to high-impedance connections.
The differences between connection methods are explained as follows.
Multiple Speaker System Drive Capability
High-Impedance Connections
As long as the total nominal power input rating for all speakers is within the power output capability of the amplifier, any number of
speaker systems can be connected in parallel. The power input rating is determined by the speaker systems and speaker transformers
used. It is also possible to connect speaker systems that have different input power ratings. In the case of speaker systems that are
capable of changing their input power rating (Yamaha VXC and VXS series, etc.), this can be utilized to vary the volume of each speaker.
Low-Impedance Connections
When connecting multiple low-impedance speaker systems to a single channel, the following methods are possible.
Parallel Connection
When multiple speaker systems having the same impedance are connected in parallel, the total impedance becomes the individual
speaker system impedance divided by the number of systems connected.
Serial Connection
When connected in series, the total impedance is simply the sum of the impedances of the speaker systems connected. However, if one
speaker system happens to fail, the electrical signal will not be passed on and subsequent speaker systems will be affected.
High-Impedance and Low-Impedance Connections
10W 10W 10W 10W 10W
Speaker transformer
70V/100V
4Ω
8Ω 8Ω 8Ω
Cannot be connected
Total impedance = 4Ω
Total impedance = 8Ω
Failure
No sound
Interruption
4Ω
4Ω
163
MA2120 Setup Guide
Technical Specifications
Outputs SPEAKER OUT)
Outputs (LINE OUT)
Inputs
Specification
Output Power
20msec Burst
(THD+N=1%)
AMP MODE = 3Ω 100W x 2ch
AMP MODE = 4Ω 120W x 2ch
AMP MODE = 8Ω 100W x 2ch
AMP MODE = 70V/120W 120W x 2ch
AMP MODE = 100V/120W 120W x 2ch
AMP MODE = 70V/200W 200W x 1ch
AMP MODE = 100V/200W 200W x 1ch
Termi n a l 7.62mm BARRIER STRIP 4pin
LINE OUT
Actual source impedance 600Ω
For use with nominal 10kΩ Lines
Output Level Nominal -10dBV (316mV)
Ter mi n a l MONO RCA PIN x2, unbalanced
MIC IN (INPUT 1-6)
Input Level
INPUT 1-6, Euro,
balanced
Sensitivity -56dBu (1.23mV)
Nominal -36dBu (12.3mV)
Max before clip -8dBu (0.309V)
LINE IN (INPUT 1-8)
Input Level
INPUT 1-6, Euro,
balanced
Sensitivity -24dBu (48.9mV)
Nominal -4dBu (0.489V)
Max before clip +24dBu (12.3V)
Input Level
INPUT 5-8, RCA,
unbalanced
Sensitivity -30dBV (31.6mV)
Nominal -10dBV (316mV)
Max before clip +10dBV (3.16V)
Input Level
INPUT 8, ST mini phone,
unbalanced
Sensitivity -30dBV (31.6mV)
Nominal -10dBV (316mV)
Max before clip +10dBV (3.16V)
Terminal
MIC/LINE IN INPUT 1-6 3.5mm Euro Block 6pin x3
balanced
LINE IN INPUT 5-6 MONO RCA PIN x4
unbalanced
INPUT 7-8 STEREO RCA PIN x2
unbalanced
INPUT 8
(Front Panel)
3.5mm STEREO mini phone x1
unbalanced
164
MA2120 Setup Guide
Electrical Characteristics
Amplifier type (Output circuitry) Class D
THD+N LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 3Ω, 4Ω, 8Ω
≤ 0.2%
LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 70V, 100V/120W
≤ 0.2%
LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 70V, 100V/200W
≤ 0.2%
Frequency Response LINE IN to SPEAKER OUT,
50Hz to 20kHz@1W
AMP MODE = 3Ω, 4Ω, 8Ω
0dB, -3.0dB, +1.0dB
LINE IN to SPEAKER OUT,
90Hz to 20kHz@1W
AMP MODE = 70V, 100V/120W
0dB, -3.0dB, +1.0dB
LINE IN to SPEAKER OUT,
90Hz to 20kHz@1W
AMP MODE = 70V, 100V/200W
0dB, -3.0dB, +1.0dB
LINE IN to LINE OUT,
20Hz-20kHz
0dB, -2.5dB, +1.0dB
Crosstalk MIC/LINE IN to other MIC/LINE IN ≤ -70dB
Load Protection POWER/STANDBY SW on/off Mute the output
Output Voltage Protection Compress output voltage when needed
DC-fault Power Supply shutdown
Amplifier Protection Thermal
Limit output
Mute Shutdown
Over current Mute the output (with automatic restoration)
Integrated Power Limit Compress output
Power Supply Protection Thermal Power supply shutdown
Over voltage Power supply shutdown
Over current
Limit power
Power supply shutdown
Cooling Conventional cooling, bottom to up airflow
Controls Front Panel POWER/STANDBY SW,
INPUT volume x 8,
SETUP encoder x 1
OUTPUT volume x 2,
BASS EQ volume x 2,
TREBLE EQ volume x 2
Rear Panel SETUP DIP SW x1,
SPEAKER A/B DIP SW x2,
ROUTE SW x4,
GAIN SW x3,
MODE SW x1
Connectors Analog In (MIC/LINE) 3.5mm Euro Block 6pin x3 (Rear)
Analog In (LINE) MONO RCA PIN x4 (Rear),
STEREO RCA PIN x2 (Rear),
3.5mm STEREO mini phone x1 (Front)
Analog Out MONO RCA PIN x2 (Rear/LINE OUT)
Speakers 7.62mm BARRIER STRIP 4pin x1 (Rear)
Remote RJ45 x1 (Rear/DCP),
3.5mm Euro Block 3pin x1 (Rear/REMOTE)
Indicators POWER x1 (Green/Orange),
INPUT SIGNAL x8 (Green),
INPUT PEAK x8 (Red),
SETUP x3 (Green),
OUTPUT SIGNAL x2 (Green),
OUTPUT LIMIT x2 (Red)
AC Power Requirement 100V, 120V, 230V-240V 50Hz/60Hz (*1)
*1 It has confirmed that it is working with ±10%
of the voltage of the rated supply voltage.
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Yamaha MA2030a Yükleme Rehberi
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- Tip
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Diğer dillerde
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