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PS Series
PS8 – LS400 – PS8 Analogue TD Controller
PS10R2 –LS600 -PS10 Analogue TD Controller
PS15R2 – PS15 Analogue TD Controller
User Manual
PS Series User Manual V1.01
Date: 08/09/2009
Page 2/82 INTRODUCTION
PLEASE READ CAREFULLY BEFORE PROCEEDING
BASIC PRECAUTIONS
Do not open the speaker system or attempt to disassemble the internal parts or modify them in any
way. The speaker system contains no user-serviceable parts. If it should appear to be malfunctioning
or damaged, discontinue use immediately and have it inspected by qualified NEXO service personnel.
Water exposure: Do not expose the speaker system to direct rain, do not use it near water or in wet
conditions. Do not place containers with liquid on speaker system as they might spill into openings. If
any liquid such as water seeps into the speaker system, have it inspected by qualified NEXO
personnel.
SYSTEM DEPLOYMENT SAFETY RULES
Read User Manual before deployment. Before use of enclosed speaker system,
please ensure that anyone involved in system deployment understands the rigging –
stacking – pole mounting safety rules as described in the speaker system User Manual.
Failure to do this exposes people to potential injury or death.
Always consult qualified NEXO personnel if the device installation requires construction work and make
sure to observe the following precautions:
Mounting precautions
- choose mounting hardware and an installation location that can support the weight of the speaker
system;
- do not use speaker system handles for suspended installation;
- do not expose speaker system to excessive dust or vibration, or extreme cold or heat to prevent
possibility of component damage;
- do not place the speaker system in an unstable position from which it might fall accidentally;
- if speaker systems uses a stand, ensure that stand specifications are adapted, and that stand
height does not exceed 1.40m/55”; never move the stand while the speaker is in position.
Connection and powering precautions
- remove all connected cables before moving the speaker system;
- turn off AC power of all power amplifier units before connecting the speaker system;
- when turning on the AC power to the audio system, always turn on the power amplifier last; when
turning the AC power off, always turn off the power amplifier first;
- when used in cold conditions, a gradual power ramp up should applied to the system on an 5 mn
period to allow the loudspeaker components to stabilize during the very first minutes of usage.
Inspect the speaker system periodically.
INTRODUCTION Page 3/82
SAFETY INSTRUCTIONS FOR NEXO TD CONTROLLERS
NEXO ANALOGUE PSTDCONTROLLERS, NX242 DIGITAL CONTROLLER,
NXAMP4x1 AND NXAMP4x4 POWERED CONTROLLERS ARE CLASS 1
APPARATUS AND MUST BE EARTHED.
THE GREEN AND YELLOW WIRE OF THE MAINS CORD MUST ALWAYS BE CONNECTED TO AN
INSTALLATION SAFETY EARTH OR GROUND. THE EARTH IS ESSENTIAL FOR PERSONAL
SAFETY AS WELL AS THE CORRECT OPERATION OF THE SYSTEM, AND IS INTERNALLY
CONNECTED TO ALL EXPOSED METAL SURFACES.
- Read these instructions.
- Keep these instructions.
- Heed all warnings.
- Follow all instructions.
- Do not use this apparatus near water.
- Clean only with dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
- Do not defeat the safety purpose of the polarized 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 replacement of the obsolete outlet. (US market)
- Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus 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 exposed to rain or moisture, does
not operate normally, or has been dropped.
To avoid electrical shock, do not remove covers.
Dangerous voltages exist inside.
Refer all servicing to qualified personnel only.
WARNING: To reduce the risk of fire or electric shock,
do not expose this apparatus to rain or moisture.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
The lightning flash with arrowhead
symbol, within an 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
electric shock to persons.
The exclamation point within an
equilateral triangle is intended to
alert the user to the presence of
important operating and
maintenance (servicing) instructions
in the literature accompanying
the appliance.
Page 4/82 INTRODUCTION
HIGH SOUND PRESSURE LEVELS
Exposure to extremely high noise levels may cause permanent hearing loss.
Individuals vary considerably in susceptibility to noise-induced hearing loss but nearly
everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient
period of time. The U.S. Government’s Occupational and Health Administration (OSHA)
has specified the following permissible noise level exposures: Sound Duration Per
Day In Hours Sound Level dBA, Slow Response
8 90
6 92
4 65
3 97
2 100
1 ½ 102
1 105
½ 110
¼ or less 115
According to OSHA, any exposure in excess of the above permissible limits could result in some
hearing loss. Ear plugs or protectors to the ear canals or over the ears must be worn when operating
this amplification system in order to prevent permanent hearing loss, if exposure is in excess of the
limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure
levels, it is recommended that all persons exposed to equipment capable of producing high sound
pressure levels such as this amplification system be protected by hearing protectors while this unit is in
operation.
DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT
This symbol on the product or on its packaging indicates that it shall not be treated
as household waste. Instead it shall be handed over to the applicable collection
point for the recycling of electrical and electronic equipment. By ensuring this
product is disposed of correctly, you will help prevent potential negative
consequence for the environment and human health, which could otherwise be
caused by inappropriate waste handling of this product. The recycling of materials
will help to conserve natural resources. For more detailed information about
recycling of this product, please contact your local city office, your household waste
disposal service or the shop where you purchased the product.
INTRODUCTION Page 5/82
CONTENTS
1 Introduction.......................................................................................................................8
2 PS General Set-up Instructions ....................................................................................10
2.1 Speaker connection...................................................................................................10
2.1.1 PS8 – PS10R2 ...................................................................................................10
2.1.2 LS400 – LS 600 .................................................................................................10
2.1.3 PS15R2 ..............................................................................................................10
2.1.4 Configuring PS15 for Passive or Active Mode...................................................11
2.1.5 Cabling ...............................................................................................................11
3 Amplifier Selection for use with PS-Series..................................................................12
3.1 PS and LS recommended amplification....................................................................12
3.1.1 Current rating .....................................................................................................12
3.1.2 Amplifier settings................................................................................................12
3.2 PS Series systems and NXAMP TDControllers........................................................14
3.2.1 NXAMP connectors............................................................................................14
3.2.2 PS Series and NXAMP recommended configurations ......................................15
4 PS Series Setups on NEXO TD Controllers.................................................................16
4.1 Analogue PSTDControllers.......................................................................................16
4.2 Digital NX242-ES4 ....................................................................................................16
4.3 NXAMP TDControllers ..............................................................................................16
5 Connection diagrams.....................................................................................................17
5.1 PS8 & LS400 with PS8 TDController........................................................................17
5.2 PS8 & LS400 with NXAMP4x1..................................................................................18
5.3 PS8 & LS400 with NXAMP4x4..................................................................................19
5.4 PS10 & LS600 with PS10 TDController....................................................................20
5.5 PS10 & LS600 with NXAMP4x1................................................................................21
5.6 PS10 & LS600 with NXAMP4x4................................................................................22
5.7 PS15 Passive & RS15 Omni with PS15 TDController..............................................23
5.8 PS15 Passive & RS15 Omni with NXAMP4x1..........................................................24
5.9 PS15 Passive & RS15 Omni with NXAMP4x4..........................................................25
5.10 PS15 Active with NXAMP4x4....................................................................................26
6 Configurable Asymetrical Horn ....................................................................................27
Page 6/82 INTRODUCTION
6.1 Principle.................................................................................................................... 27
6.2 Change of configuration ........................................................................................... 27
6.3 « Front of house » Configuration (default configuration).......................................... 28
6.4 « Stage Monitor » Configuration............................................................................... 28
7 PS Series hardware setup procedure.......................................................................... 29
7.1 SAFETY FIRST ........................................................................................................ 29
7.1.1 Ground Stacking Safety .................................................................................... 30
7.1.2 Contacts ............................................................................................................ 30
7.2 General Description.................................................................................................. 31
7.2.1 WARNINGS ON PS SERIES ACCESSORIES................................................. 31
7.3 PS Series in fixed installations ................................................................................. 32
7.3.1 Fixed installation Accessories and kits.............................................................. 32
7.3.2 PS rigidly mounted on a wall or a ceiling (vertical or horizontal) ...................... 33
7.3.3 PS10R2 and PS15R2 mounted on a ceiling (vertical or horizontal) ................. 35
7.3.4 PS10R2 and PD15R2 wall suspension (vertical or horizontal)......................... 36
7.4 PS Series in touring applications.............................................................................. 39
7.4.1 Touring Accessories.......................................................................................... 39
7.4.2 PS on speaker stand or on RS15 horizontally .................................................. 40
7.4.3 PS flown vertically ............................................................................................. 41
7.4.4 PS flown horizontally ......................................................................................... 43
7.5 Testing and Maintenance of the system................................................................... 45
8 NEXO Analogue PSTD Controllers .............................................................................. 46
8.1 Analogue TDcontroller Declaration of conformity..................................................... 46
8.2 IMPORTANT SAFETY INSTRUCTIONS................................................................. 46
8.3 Analogue TDcontroller Setting-Up Advice................................................................ 47
8.3.1 Mains Power...................................................................................................... 47
8.3.2 Voltage setting................................................................................................... 47
8.3.3 Mounting the TDcontroller in a rack (Grounding, shielding & safety issues) .... 47
8.3.4 Fuse................................................................................................................... 47
8.3.5 Recommendations for wiring the sense lines ................................................... 48
8.3.6 Recommendations for wiring the audio outputs................................................ 48
8.3.7 Electromagnetic environments .......................................................................... 48
8.3.8 Analogue signal cables ..................................................................................... 48
8.4 Analogue TDcontroller USER GUIDE ...................................................................... 49
8.4.1 Read before use ................................................................................................ 50
8.4.2 Front Panel ........................................................................................................ 50
8.4.3 Rear Panel......................................................................................................... 51
8.5 TDcontroller REFERENCE GUIDE .......................................................................... 53
8.5.1 Linear section .................................................................................................... 53
8.5.2 Servo Control section ........................................................................................ 53
INTRODUCTION Page 7/82
9 Technical Specifications................................................................................................55
9.1 PS8 – LS400 .............................................................................................................55
9.1.1 System specifications ........................................................................................55
9.1.2 Dimensions ........................................................................................................56
9.1.3 Diagrams ............................................................................................................57
9.2 PS10R2 – LS600.......................................................................................................58
9.2.1 System specifications ........................................................................................58
9.2.2 Dimensions ........................................................................................................59
9.2.3 Diagrams ............................................................................................................60
9.3 PS15R2.....................................................................................................................61
9.3.1 System specifications ........................................................................................61
9.3.2 Dimensions ........................................................................................................62
9.3.3 Diagrams ............................................................................................................63
9.4 PS Analogue TDcontrollers.......................................................................................63
9.4.1 Specifications .....................................................................................................64
9.4.2 Front and Rear Panel view ................................................................................64
9.5 PS Touring Applications Accessoies.........................................................................65
9.5.1 “U” Bracket for PS8 (VNT-SSBRK8, includes VN-ADPT) .................................65
9.5.2 ”U” Bracket for PS10R2 (VNT-SSBRK10) .........................................................66
9.5.3 ”U” Bracket for PS15R2 (VNT-SSBRK15) .........................................................67
9.5.4 Flying Rail for PS8* / PS10R2 / PS15R2 (VNT-TTC)........................................68
9.5.5 Lifting Ring for ”U” bracket or Flying Rail (VNT-XHBRK, includes BL845) .......69
9.5.6 Truss hook for “U” bracket or Flying Rail (VNT-TCBRK)...................................70
9.5.7 Flying Adaptor for PS8 (VNT-ADPT) .................................................................71
9.6 PS Fixed Installations Accessories...........................................................................72
9.6.1 PS8 “U” Bracket (VNI-UBRK8) ..........................................................................72
9.6.2 PS10R2 “U” Bracket (VNI-UBRK10)..................................................................73
9.6.3 PS15R2 “U” Bracket (VNI-UBRK12)..................................................................74
9.6.4 “L” Bracket for cable suspension for PS10R2 and PS15R2 (VNI-LBRK)..........75
9.6.5 “U” Bracket for rigid suspension for PS10R2 and PS15R2 (VNI-ABRK) ..........76
9.6.6 Wall suspension for PS8 & PS10 (VNI-WS10) ..................................................77
9.6.7 Wall suspension for PS15R2 (VNI-WS15).........................................................78
PS Series Parts & Accessories List.....................................................................................79
9.7 Modules & Control Electronics List ...........................................................................79
9.8 Accessories List ........................................................................................................80
10 USER NOTES...............................................................................................................82
Page 8/82 INTRODUCTION
1 INTRODUCTION
Thank you for selecting a NEXO PS Series equipment.
This manual is intended to provide you with necessary and useful information about your PS speaker
system, which includes the following products:
LS400 is optional Sub-Bass for PS8
PS8
LS600 is optional Sub-Bass for PS10R2
PS10R2 (available in Left and Right versions)
PS15R2 (available in Left and Right versions)
PS8 Analogue TD Controller (for PS8 and LS400)
PS10 Analogue TD Controller (for PS10 and LS600)
PS15 Analogue TD Controller (for PS15 and RS15)
A full range of accessories that provides safe, flexible and simple means of installing PS Series in
fixed installation as well as in touring applications.
INTRODUCTION Page 9/82
As for all NEXO systems, PS Series are controlled, powered and monitored by dedicated NEXO
TDControllers:
PS analogue TDController provides full control for PS Series and dedicated subwoofers. It has 2
analogue inputs (Left and Right) and 3 analogue outputs (Sub-Bass, PS Left and PS Right);
NX242-ES4 Digital TDController provides comprehensive control of PS loudspeakers in multiple
configurations. It allows Ethersound
TM
digital audio networking, as well as remote control for all
units in the network. It has 2 analogue / 4 digital inputs and 4 analogue / 4 digital outputs;
IMPORTANT
NX242 must be equipped with NX-Tension Card (NX-ES4) to access PS setups
NXAMP4x1 and NXAMP 4x4 are Powered Digital Controllers, providing full control and
amplification for PS Series in multiple configurations. Both devices feature 4 analogue inputs and
4 speaker outputs. When equipped with optional card, 4 digital inputs in Ethersound
TM
digital
audio network format as well as remote control for all units in the network become available.
For a complete description of these controllers, please refer to User Manuals. The NX242 and NXAMP
DSP algorithms and parameters are fixed in software and updated regularly: Please consult the NEXO
web site (www.nexo.fr
) for the latest software releases.
GeoD Passive mode
Crossover 80Hz
Page 10/82 PS GENERAL SET-UP INSTRUCTIONS
2 PS GENERAL SET-UP INSTRUCTIONS
2.1 Speaker connection
PS Series connected with Speakon NL4FC plugs (not supplied). A wiring diagram is printed on the
connection panel located on the back of each cabinet.The 4 pins of the 2 Speakon sockets identified in /
out are connected in parallel within the enclosure.
Either connector can be used to connect amplifier or to link to an additional PS range cabinet or to link
to an optional Sub (if present). Therefore, a single 4-conductor cable can connect two amplifier
channels to various PS and/or dedicated Sub Bass.
2.1.1 PS8 – PS10R2
Connectors are wired as follows:
2.1.2 LS400 – LS 600
Connectors are wired as follows:
2.1.3 PS15R2
Connectors are wired as follows:
Speakon
Connector
1(-)
Ö
Not Connected
1(+)
Ö
Not Connected
2(-)
Ö
PS8/PS10 (-)
2(+) PS8/PS10 (+)
Speakon
Connector
1(-)
Ö
LS400/LS600 (-)
1(+)
Ö
LS400/LS600 (+)
2(-)
Ö
Not Connected
2(+) Not Connected
Speakon
Connector
Passive
Mode
Active
Mode
1(-)
Ö
Not Connected PS15R2 LF (-)
1(+)
Ö
Not Connected PS15R2 LF (+)
2(-)
Ö
PS15R2 (-) PS15R2 HF (-)
2(+) PS15R2 (+) PS15R2 HF (+)
PS GENERAL SET-UP INSTRUCTIONS Page 11/82
2.1.4 Configuring PS15 for Passive or Active Mode
Remove the six TORX screws that hold the connector panel (figure next page);
Remove the connector panel so that filter WAGO connectors become accessible;
In Passive Mode, WAGO connector from filter should be inserted in “Passive In”, and speakers
WAGO connectors should be inserted in connector “Passive Out”.
In Active Mode, WAGO Connector from filter should be directly connected into to speakers via
speakers WAGO connectors (passive filter is then bypassed).
CONNECTOR PANEL PASSIVE MODE ACTIVE MODE
2.1.5 Cabling
NEXO recommends the exclusive use of multi-conductor cables to connect the system: the cable kit is
compatible with all the cabinets, and there is no possible confusion between LF, MF and HF sections.
Cable choice consists mainly of selecting cables of the correct sectional dimension (size) in relation to
the load resistance and the cable length. Too small a cable section will increase both its serial
resistance and its capacitance; this reduces the electrical power delivered to the loudspeaker and can
also induce response (damping factor) variations.
For a serial resistance less or equal to 4% of the load impedance (damping factor = 25), the maximum
cable length is given by:
L
max
= Z x S S in mm
2
, Z in Ohm, L
max
in meters
The table below indicates these values, for 3 common sizes.
Load Impedance ()
2 3 4 6 8 12 16
Cable section Maximum Length (meters)
1,5 mm² (AWG #14) 3 4.5 6 9 12 18 24
2,5 mm² (AWG #12) 5 7.5 10 15 20 30 40
4 mm² (AWG #10) 8 12 16 24 32 48 64
IMPORTANT
Long speaker cables induce capacitive effects – up to hundreds of pF depending on the
quality of the cable - with a high-pass effect on high frequencies. If long speaker cables
must be used, ensure that they do not remain coiled while in use.
Page 12/82 AMPLIFIER SELECTION FOR USE WITH PS-SERIES
3 AMPLIFIER SELECTION FOR USE WITH PS-SERIES
NEXO recommends high power amplifiers in all cases. Budget constraints are the only reason to select
lower power amplifiers. A lower power amplifier will not reduce the chances of driver damage due to
over-excursion, and may actually increase the risk of thermal damage due to sustained clipping. If an
incident occurs on an installation without protection, the fact that amplifiers only generating half their
rated output power (-3dB) are used will not change anything in respect of possible damage. This is due
to the fact that the RMS power handling of the weakest component in the system is always 6 to 10 dB
lower than the amplifier rating.
3.1 PS and LS recommended amplification
Nexo recommends amplifiers in agreement with table below:
Recommended
Amplifier#
Channel 1
LF in Active Mode or
LF+HF in Passive Mode
Channel 2
HF in Active Mode
LS400 300 to 700 W / 6 Ohms
PS8 200 to 500 W / 8 Ohms
LS600 1000 to 2000 W / 8 Ohms
PS10R2 500 to 1250 W / 8 Ohms
PS15R2 Passive Mode 1000 to 2000 W / 8 Ohms
PS15R2 Active Mode 1000 to 2000 W / 8 Ohms 250 to 500 W / 16 Ohms
3.1.1 Current rating
It is very important that the amplifier behaves correctly under low load conditions. A speaker system is
reactive by nature: on transient signals like music it will require four to ten times more instantaneous
current than its nominal impedance would indicate. Amplifiers are generally specified by continuous
RMS power into resistive loads, however the only useful information about current capacity is the
specification into a 2 Ohm load. It is possible to perform an amplifier listening test by loading the amps
with twice the number of cabinets considered for the application (2 speakers per channel instead of one,
4 instead of 2) and running the amps up to the onset of clipping. If the signal does not noticeably
deteriorate, the amplifier is well adapted (overheating after approximately ten minutes is normal but
thermal protection must not operate too quickly after starting this test).
3.1.2 Amplifier settings
Gain value
Gain is the key to correct alignment of the system. It is especially important to know the gain of all
amplifiers used in your set-up. The tolerance should be about ±0.5 dB. In practice this can be difficult to
achieve because:
Some amplifier brands have an identical input sensitivity for models of different power rating (this
infers a different voltage gain for each model). For example, a range of amplifiers with different
power outputs, all having a published input sensitivity of 775mV/0dBm or 1.55V/+6dBm, will have
a wide range of actual gains – the higher the power, the greater the gain.
Various other brands may offer constant gain but only within a given product range, for example
they may fit fixed input sensitivity only on their semi-professional amps.
Even if a manufacturer applies the constant gain rule to all models, the value selected will not
necessarily be the same as that chosen by other manufacturers.
AMPLIFIER SELECTION FOR USE WITH PS-SERIES Page 13/82
Some products can exhibit manufacturing tolerances for the same model of ±1dB or more. Some
amplifiers may have been modified, possibly without any label indicating the new values. Others
may have gain switches fitted internally where it is impossible for the user to verify the actual
setting without opening the amplifier casing.
In cases where you don't know the gain of your amplifier (or want to check it) please follow this
procedure:
1) Unplug any loudspeakers from the amplifier outputs
2) With a signal generator, feed a sine wave at 1000Hz at a known voltage (say 0.5V) to
the input of the amplifier under test
3) Measure the voltage at the output of the amplifier
4) Calculate the gain using the formula Gain = 20 * LOG
10
(Vout/Vin).
Some examples:
Vin / Gain 20dB 26dB 32dB 37dB (1.4V sensitivity / 1350Wrms)
0.1 V 1 V 2 V 4 V 7.1 V
0.5 V 5 V 10 V 20 V 35.4 V
1 V 10 V 20 V 40 V 70.8 V
Remember that constant sensitivity settings will give a different gain value when the amplifier power is
different.
NEXO recommends low gain amplifiers: +26dB is recommended, as it is at the same time adequately
low and quite common amongst amplifier manufacturers. This gain setting improves signal to noise ratio
and allows all preceding electronic equipment, including the NX242 TDcontroller or PS TDControllers,
to operate at optimum level. Remember that using a high gain amplifier will raise the noise floor
proportionally.
Operating Mode
Most two channel amplifiers available on the pro-audio market have the following operating modes:
Stereo:
two fully independent channels deliver identical power into identical loads
NEXO recommends Stereo Mode for all amplifier channels feeding PS Series speakers.
Bridge-Mono:
the second signal channel processes the same input as the first channel, but with
reversed phase. The (single) load is connected between the two positive channel outputs using a
suitable connection. While the total output of the amplifier remains the same, the available output
voltage, the minimum impedance that can be connected and the voltage gain are doubled as
compared with stereo operation. Typically, only channel 1 input is active. Positive and negative
output connections vary depending on amplifier manufacturers.
NEXO does not recommend Bridge Mono Mode unless amplifier power is clearly not sufficient.
Page 14/82 AMPLIFIER SELECTION FOR USE WITH PS-SERIES
IMPORTANT
When in Bridge-Mono mode, check your amplifier user manual for proper connection of
outputs 1(+) and (2+) in relation to input phase.
Parallel-mono: the output terminals of the two channels are configured in parallel using an
internal relay. The (single) load is connected either to the output of channel 1 or to that of channel
2 (as if in stereo). While the total output of the amplifier remains the same the output voltage level
is also the same as in stereo mode. The minimum impedance that can be connected is reduced
by half due to the fact that current capability is doubled. Typically, only channel 1 input is active.
NEXO does not recommend Parallel-Mono Mode for any PS Series speaker amplification.
Warning on amplifiers signal processing features
Some high-end amplifiers may include signal processing functions similar to those found in the NX242
TDcontroller or in PS TDControllers ("loudspeaker offset integration", "limiter", "compressor," etc.).
Moreover, when this processing is digital, computation latency time can introduce a few milliseconds
delay from input to output. These functions are not adapted to specific system requirements and may
interfere with the complex protection algorithms used in the NEXO TD Controllers.
NEXO do not advise using other protection systems in conjunction with the NEXO TD Controllers and
they should be disabled.
IMPORTANT
For proper system protection, no latency time or non-linear devices should be
introduced between the output of the NEXO TDcontroller and the input of loudspeakers
through use of DSP modules such as internal amplifier signal processing.
3.2 PS Series systems and NXAMP TDControllers
NEXO Powered TDControllers NXAMP 4X1 & 4X4 are integrated solutions for Control and amplification
for all NEXO speaker ranges.
NXAMP4x1 and NXAMP4x4 power capability is listed in the table below:
Mode 4 Channels Bridge Stereo
NXAMP4x1 4 x 650 Watts / 8 Ohms
4 x 900 Watts / 4 Ohms
4 x 1300 Watts / 2 Ohms
2 x 1800 Watts / 8 Ohms
2 x 2600 Watts / 4 Ohms
NXAMP4x4 4 x 1900 Watts / 8 Ohms
4 x 3400 Watts / 4 Ohms
4 x 4000 Watts / 2 Ohms
2 x 6800 Watts / 8 Ohms
2 x 8000 Watts / 4 Ohms
3.2.1 NXAMP connectors
NXAMP4x1 and NXAMP4x4 rear panels feature:
4 analog inputs / outputs (links) on XLR3 connectors;
4 digital inputs / outputs on RJ45 connectors with optional card;
4 speaker level outputs on NL4FC connectors.
AMPLIFIER SELECTION FOR USE WITH PS-SERIES Page 15/82
Figure below shows connectors implementation on the rear panel.
3.2.2 PS Series and NXAMP recommended configurations
Below table lists basic requirements for proper use of NXAMP TD Controllers in conjunction with PS
Series:
Passive Mode Active Mode
1 or 2 PS8s 1 channel of NXAMP4x1 in 4 channels mode
1 or 2 LS400 1 channel of NXAMP4x1 in Bridge Stereo Mode
1 or 2 PS10 1 channel of NXAMP4x1 in Bridge Stereo Mode
1 channel of NXAMP4x4 in 4 channels Mode
1 or 2 LS600 1 channel of NXAMP4x1 in Bridge Stereo Mode
1 channel of NXAMP4x4 in 4 channels Mode
1 or 2 PS15 1 channel of NXAMP4x1 in Bridge Stereo Mode
1 channel of NXAMP4x4 in 4 channels Mode
2 channels of NXAMP4x1 in Bridge Stereo Mode
2 channels of NXAMP4x4 in 4 channels Mode
1 RS15 Omni 1 channel of NXAMP4x1 in Bridge Stereo Mode
1 channel of NXAMP4x4 in 4 channels Mode
Please refer to following documents (available at www.nexo-sa.com
) for detailed information on specific
configurations:
- NXAMP4x1 and NXAMP4x4 User Manual
- NXAMP Application Guideline
- NXAMP Load Setup list
Page 16/82 PS SERIES SETUPS ON NEXO TD CONTROLLERS
4 PS SERIES SETUPS ON NEXO TD CONTROLLERS
4.1 Analogue PSTDControllers
Analogue PS TDControllers parameters have been optimized for 1 x Subwoofer (mono) used in
conjunction with 2 x PS Series speakers (mono or stereo).
IMPORTANT
- PS8 TDControllers are unchanged in relation to previous version (color change only):
previous generation PS8 TD Controllers and new PS8 TDControllers can be combined.
- PS10TD and PS15TD Controllers are totally uncompatible with previous versions:
confusion would lead to extremely bad results.
4.2 Digital NX242-ES4
Digital NX242-ES4 PS Series setups reproduce Analogue PS TDControllers parameters, with 4
independent processing channels.
4.3 NXAMP TDControllers
At PS Series User Manual current version printing time, 3 families of PS Series setups for NXAMP have
been defined:
- standard, reproducing Analogue PS TDControllers parameters;
- NXStream setups, for FOH applications;
- MTR setups, for stage monitor applications.
Please consult www.nexo-sa.com
for setup list and upgrade releases.
CONNECTION DIAGRAMS Page 17/82
5 CONNECTION DIAGRAMS
5.1 PS8 & LS400 with PS8 TDController
AMPLIFIER 1
AMPLIFIER 2
MONO
STEREO
Speakon 4
Speakon 4
Speakon 4
Speakon 4
1 (+) / 1 (-) LS400
2 (+) / 2 (-) PS8
TO AMPLIFIERS
B
ALANC
E
D IN
P
UT
S
RIGHT
LEFT
-
6dB
-
12dB
0dB
OUT
P
UT
L
E
V
E
L
B
ALANC
E
D OUT
P
UT
S
RIGHT LEFTSUB L+R
E
A
R
TH
LI
F
T
FROM AMPLIFIERS
+ 3-
+ 2 - + 1 -
S
E
N
S
E
IN
P
UT
(from amp terminals)
CAUTION
!
Sense must be connected for
speaker protection
SEE USER MANUAL
STEREO
IN
PS8
LEFT
PS8
RIGHT
LS400
OUT
PS8
LEFT
PS8
RIGHT
LS400
Page 18/82 CONNECTION DIAGRAMS
5.2 PS8 & LS400 with NXAMP4x1
SP4
SP4
IN A
SP4
SP4
SP4
SP4
OUT A
OUT C
IN B
SP4
SP4
SP4
SP4
CONNECTION DIAGRAMS Page 19/82
5.3 PS8 & LS400 with NXAMP4x4
SP4 SP4
SP4
SP4
SP4
SP4
OUT A
OUT C
SP4
SP4
SP4
SP4
IN B
IN A
SP4
SP4
SP4
SP4
SP4
SP4
SP4
SP4
SP4
SP4
SP4
SP4
Page 20/82 CONNECTION DIAGRAMS
5.4 PS10 & LS600 with PS10 TDController
AMPLIFIER 1
AMPLIFIER 2
MONO
STEREO
Speakon 4
Speakon 4
Speakon 4
Speakon 4
1 (+) / 1 (-) LS600
2 (+) / 2 (-) PS10
TO AMPLIFIERS
B
ALANC
E
D IN
P
UT
S
RIGHT
LEFT
-
6dB
-
12dB
0dB
OUT
P
UT
L
E
V
E
L
B
ALANC
E
D OUT
P
UT
S
RIGHT LEFTSUB L+R
E
A
R
TH
LI
F
T
FROM AMPLIFIERS
+ 3-
+ 2 - + 1 -
S
E
N
S
E
IN
P
UT
(from amp terminals)
CAUTION
!
Sense must be connected for
speaker protection
SEE USER MANUAL
STEREO
IN
PS10
LEFT
PS10
RIGHT
LS600
OUT
PS10
LEFT
PS10
RIGHT
LS600
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