Opus 300 User manual

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Opus 300 Multi-Room System
Installation Guide

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www.opus.eu/manuals
Important safety instructions........................................................................3
Planning your system....................................................................................6
Pre-installation notes.....................................................................................8
Audio connections......................................................................................11
Video connections.......................................................................................12
Source connections....................................................................................13
Sub-zones...................................................................................................14
Advanced system options...........................................................................15
Larger systems............................................................................................18
System specifications.................................................................................19
FAQs............................................................................................................22
Limited warranty..........................................................................................23
Note: All diagrams and instructions in this guide refer to the EU version
of the WCU300 keypad.
Contents
2

3
Important safety instructions
For safety reasons please read the following instructions and important
safety information carefully before attempting to connect the Opus 300
Multi-Room System to the mains.
Warning
To reduce the risk of fire or electric shock, do not expose this appliance to
rain or moisture.
Caution
Use of controls or adjustments or performance of procedures other than
those specified in this guide may result in hazardous radiation exposure.
To reduce the risk of electric shock, do not
remove any covers. There are no user-
serviceable parts inside. Please refer all
servicing to an authorised servicing agent.
The lightning flash with the 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.
Approvals
The Opus Multi-Room System complies with the European
Low Voltage (73/23/EEC) and Electromagnetic Compatibility
(89/336/EEC) Directives when used and installed according to this
instruction manual.
The crossed-out wheeled bin is the European Union symbol for
indicating separate collection for electrical and electronic
equipment. This product contains electrical and electronic
equipment which should be reused, recycled or recovered and
should not be disposed of with unsorted regular waste. Please return the
unit or contact the authorised dealer from whom you purchased this
product for more information.
Plug Fitting Instructions (UK only)
The cord supplied with this appliance is factory fitted with a 13A mains plug
fitted with a 13A fuse inside. If it is necessary to change the fuse, it is
important that a 13A one is used. If the plug needs to be changed because
it is not suitable for your socket, or becomes damaged, it should be cut off
and an appropriate plug fitted following the wiring instructions below. The
plug must then be disposed of safely, as insertion into a 13A socket is likely
to cause an electrical hazard. Should it be necessary to fit a 3-pin BS mains
plug to the power cord the wires should be fitted as shown in this diagram.
The colours of the wires in the mains lead of this appliance may not
correspond with the coloured markings identifying the terminals in your
plug. Connect them as follows:-
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.
The wire which is coloured
GREEN/YELLOW must be connected to
the terminal which is marked with the letter
‘E’ or coloured GREEN.
Note - If a 13 Amp (BS 1363) type of plug is used a 13 Amp fuse must be
fitted, either in the plug or adaptor, or on the distribution board.

4
Important safety instructions continued
Read Instructions - All the safety and operating instructions should be
read before the product is operated.
Retain Instructions - The safety and operating instructions should be
retained for future reference.
Heed Warnings - All warnings on the product and the operating
instructions should be adhered to.
Follow Instructions - All operating and use instructions should be
followed.
Cleaning - Unplug all system components from the wall outlet before
cleaning any part of the system. Do not use liquid cleaners or aerosol
cleaners. Use a damp cloth for cleaning.
Attachments - Do not use attachments which are not recommended by
Opus Technologies as they may cause hazards.
Water and Moisture - Do not use this product near water - for example,
near a bath tub, wash bowl or kitchen sink; in a wet basement, or near a
swimming pool etc.
Wall or Ceiling Mounting - Speakers should be mounted to a wall or
ceiling only as recommended by the manufacturer. Installers should also
ensure that all building regulations are strictly adhered to as cutting a hole
for a loudspeaker may affect the fire rating of a ceiling or wall.
Accessories - Do not place this product on an unstable surface, stand,
bracket or table. The product may fall, causing serious injury to
child or adult, and serious damage to the product. Use only a
surface, stand bracket or table recommended by the
manufacturer, or sold with the product. Any mounting of the product
should follow the manufacturer's instructions, and should use a mounting
accessory recommended by the manufacturer. A product and stand
combination should be moved with care. Quick stops, excessive force,
and uneven surfaces may cause the combination to overturn.
Ventilation - Slots and openings in the cabinets/enclosures are provided
for ventilation and to ensure reliable operation of the product and to protect
them from overheating. These openings must not be blocked or covered.
The openings should never be blocked by placing the product on a soft
surface. The MCU should not be placed in a built-in installation such as a
bookcase or rack unless proper ventilation is provided and the
manufacturer's instructions have been adhered to. For all components,
the manufacturers instructions on ventilation must be adhered to.
Power Sources - This product should be operated only from the type of
power source indicated on the marking label. If you are not sure of the type
of power supply to your home, consult your product dealer or local power
company. For products intended to operate from battery power or other
sources, refer to the operating instructions. This apparatus shall be
connected to a mains socket outlet with a protective earthing connection.
Grounding or Polarization - 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.
Power-Cord Protection - Power supply cords should be routed so that
they are not likely to be walked on or pinched by items placed upon or
against them, paying particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the product. The mains
plug is used as the disconnect device and shall remain readily operable.
Protective Attachment Plug - The product is equipped with an
attachment plug having overload protection. This is a safety feature. If
replacement of the plug is required, be sure the service technician has
used a replacement plug specified by the manufacturer that has the same
overload protection as the original plug.

5
Lightning - For added protection for this product during a lightning storm,
or when it is left unattended and unused for long periods of time, unplug
it from the wall outlet and disconnect the antenna or cable system. This
will prevent damage to the product due to lightning and power-line surges.
Overloading - Do not overload wall outlets, extension cords, or integral
convenience receptacles as this can result in a risk of fire or electric shock.
Object and Liquid Entry - Never push objects of any kind into this product
through openings as they may touch dangerous voltage points or short-out
parts that could result in a fire or electric shock. Never spill liquid of any
kind on the product.
Servicing - Do not attempt to service this product yourself as opening or
removing covers may expose you to dangerous voltage or other hazards.
Refer all servicing to an authorised service agent.
Lithium Battery - This product is equipped with a lithium battery that is
NOT to be replaced by the user. CAUTION - Danger of explosion if battery
is incorrectly replaced. To be replaced only with the same or equivalent
type by qualified service personnel.
Damage Requiring Service - Unplug this product from the wall outlet and
refer servicing to qualified service personnel under the following
conditions:
a) When the power-supply cord or plug is damaged.
b) If liquid has been spilled, or objects have fallen onto the product.
c) If the product has been exposed to rain or water.
d) If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the
operating instructions as an improper adjustment of other controls may
result in damage and will often require extensive work by a qualified
technician to restore the product to its normal operation.
e) If the product has been dropped or damaged in any way.
f) When the product exhibits a distinct change in performance - this
indicates a need for service.
Replacement Parts - When replacement parts are required, be sure the
service technician uses replacement parts specified by the manufacturer or
have the same characteristics as the original part. Unauthorised
substitutions may result in fire, electric shock, or other hazards.
Safety Checks - Upon completion of any service or repairs to this product,
ask the service technician to perform safety checks to determine that the
product is in proper operating condition.
Heat - The product should be situated away from heat sources such as
radiators, heat registers, stoves, or other products (including amplifiers)
that produce heat.

6
Planning your system
When installing your Opus multi-room entertainment system, consideration
should be given to detailed advance planning. We strongly suggest you
read this entire manual before commencing any work.
MCU300 A-BUS®Master Control Unit
The MCU300 is located alongside source components which means you
have two MCU300 location options:
1. Locate MCU300 and source components in any convenient discreet
location with adequate ventilation within the home (such as an under-
stair cupboard, service room or cabinet), or...
2. If it is desired to use the same sources for the Opus system as are being
used by a conventional stereo or surround sound system it is possible
to route source equipment through the MCU300 for output through
existing hi-fi or home cinema amplifiers whilst also distributing them to
the rest of your home via the Opus system.
Should this be required, your existing audio source equipment
would be first connected to the MCU300 and then routed from the six loop
out sockets on the MCU300 to the amplifier/receiver in your system via
high quality audio interconnect cable terminated at each end by
phono/RCA plugs.
Similarly video source equipment may be connected to the VSU300 and
then routed from the six loop out sockets on the VSU300 to the AV receiver
in a home cinema setup using phono/RCA cables designed for video use.
For this configuration the MCU300 should be located behind your existing
system.
The MCU300 is compact and can be mounted either horizontally, or
vertically, such as on a wall, and is powered by a dedicated power supply
(Opus PSU).
Try to ensure that the MCU300 and it’s source components are powered
from the same set of mains outlets.
It is suggested that you locate keypads:
• 138cm height from the floor finish (to
centre of keypad) or taking into
account light switch locations etc
• 25-35cm away from the outer edge of
any door frame or wall edge
• Away from direct, bright sunlight which
may affect infra-red performance
MCU300 location is
critical. See opposite
for details.
In a bedroom it is suggested that you
locate speakers above or close to bed
location for optimal stereo reproduction.
Locate speakers in all
rooms taking into
account location of
furnishings for optimal
stereo reproduction.

7
VSU300 Video Switching Unit
The VSU300 video hub works in conjunction with the MCU300 to provide
video signals to all connected zones, via 75 Ohm video cabling
(RG6/CT100 co-axial cabling can be used). Up to six video input sources
and a CCTV input may be connected and distributed, with their
corresponding audio signals routed through the MCU300 as one of its
dedicated six inputs.
The VSU300 may be mounted either horizontally or vertically in the same
manner as the MCU300, and power is provided by the MCU300 via a Cat-
5e patch cable, so no extra power supply or mains socket is required.
When deciding upon a location for the MCU300 and VSU300 units
consideration should be given to space constraints, and power points for
the source equipment and MCU300, as well as integration into any existing
setups.
WCU300 A-BUS®Wall Control Unit
Simple and intuitive control is provided by the WCU300 A-BUS keypad.
Housed in a stylishly designed casing, the WCU300 fits into any wall and
is available with different finishes to compliment various decorative
schemes. Control of your source equipment, volume, bass, treble and other
functions can be performed by the WCU300.
Each WCU300 may be used as a main zone or sub-zone controller, with the
only difference being that the sub-zone must listen to/watch the same
source as the main zone.
Should extra amplification or an active subwoofer be required (to provide
more bass), a line level pre-amp output is provided on the back of the
WCU300.
AMR650 / OS165CC in-ceiling speakers
When placing the ceiling-mounted speakers, thought should be given to
positions which give the best desired sound coverage throughout a room,
while not interfering with existing or planned light fittings or joists.
It is advisable to plan all aspects of installation in advance of work
beginning, preferably with the house/flat building schematics if available.
CCTV system connection
It is possible to connect a CCTV camera to your multi-room system. Refer
to the section on ‘Advanced system options’ for details. Please note that
extra cabling will be required in addition to that explained in the installation
notes.

Wiring to zones
Run a Cat-5e cable from the MCU300 to each wall control unit.
Fit a single-gang back box for each WCU300.
Run two standard speaker cables from the WCU300 to mounted
loudspeakers. If video is required, run 75 Ohm video cable (CT100/RG6
high-quality co-axial cable) from the VSU300 main zone connection either
directly to the video display, or to a wall-mounted panel fitted with a
suitable phono/RCA connector.
Cabling tips
Cat-5e cable should be run through the installation in electrical conduit,
either metal, non-metallic, rigid or intermediate, wherever possible. Should
conduit not be available or impractical, cabling running through frames or
beams must be a minimum of 25mm/1inch from the nearest edge of that
structure. If the frame or beam is metallic, then the cable should be
protected by a bush or grommet.
When routing cables around the installation, care must be taken to prevent
kinking and trapping. Any cable ties used must not be tightened any more
than is necessary to hold the cable in place.
Always re-check the colour code of the Cat-5e cable connections to ensure
they are correct.
8
Pre-installation notes
Please read these notes before commencing installation.
MCU300 A-BUS Wall Control Unit
A-BUS is a standard that allows some compatibility between different
manufacturers A-BUS multi-room products. The MCU300 can be switched
between Opus A-BUS or Standard A-BUS mode. The Opus A-BUS
position is for use with our own Opus WCU300 keypad and gives extra
functions. When used with other manufacturers A-BUS keypads it should
be set to Standard A-BUS or they will not work. The switch is located on
the rear of the MCU300 (see below).
Fix to a hard surface such as a cupboard surface, not to carpet or a soft-
lined surface, as this will inhibit airflow through the unit. Do not situate in
close proximity to any installation which will produce excessive electrical
noise such as dimmer racks etc (these may interfere with the unit). Situate
within three metres of a power socket.
VSU300 Video Switching Unit (where specified)
Locate in close proximity to the MCU300 (maximum of five metres away).
Fix to a hard surface such as a cupboard surface, not to carpet or a soft-
lined surface, as this will inhibit airflow through the unit.
Do not situate in close proximity to any installation which will produce
excessive electrical noise such as dimmer racks etc; these may interfere
with the unit.
OPUS A-BUS
STANDARD A-BUS
MODE SWITCH
SEE MANUAL FOR DETAILS
Important!
Audio inputs from sources
Audio loop output

9
WCU300 A-BUS Wall Control Unit
The WCU300 EU version should be fitted into a standard single UK (square)
47mm deep back-box (the stainless steel/silver WCU300 EU should be
fitted into a 50–60mm deep back-box/pattress).
The WCU300 CU version should be fitted into a standard single US J-box.
The Cat-5 cable running from the MCU300 is terminated at the 8-way
colour-coded punch down connection on the rear face of the WCU300.
Speaker cable is connected via screw terminals on the rear of the WCU300.
It is recommended the WCU300 should be positioned at a height of 138cm
from the floor finish (to centre of keypad) or taking into account light switch
locations etc.
It should also be placed 25-35cm away from the outer edge of any door
frame or wall edge.
Locate away from direct, bright sunlight which may affect infra-red
performance.
Full instructions for installing your WCU300 are supplied with the keypad.
65 432178
Plug view from
contact end
34 567821
View into
socket Gather pairs,
trim and insert
into RJ45 plug
Crimp wires
securely in place
Wire colours:
1. Green/White 5. Blue/White
2. Green 6. Orange
3. Orange/White 7. Brown/White
4. Blue 8. Brown
WCU300 EU version
Speaker cable
Cat-5e cable
EIA/TIA 568A wiring standard

10
Pre-installation notes continued
AMR650 / OS165CC in-ceiling speakers
Standard installation would specify AMR650/OS165CC ceiling mounted
speakers which are matched to the Opus 300 system for optimum audio
performance. However, virtually any customer-specified speaker units may
be used.
Where ceiling or wall-mounted speakers are used, care should be taken to
ensure that all building regulations are followed.
When mounting speakers flush to a ceiling or wall, ensure that enough
depth/clearance is available in the respective cavity. A clearance of at least
80mm is necessary when mounting pairs of AMR650/OS165CC speakers.
When deciding upon a ceiling or wall placement, care should be taken to
avoid joists, load bearing beams etc.
Before cutting ceiling loudspeaker holes it is suggested that the area is
tested for clearance by making an L-shaped probe from strong wire (eg a
coat hanger), drilling a small hole in the target area, inserting the probe and
slowly turning. Any obstructions will be immediately obvious, so that the
target area can be moved to a more suitable position.
Also, locate loudspeakers taking into account location of furnishings for
optimal stereo reproduction.
Full details of installation, connection, operation and special features can
be found in the guide that accompanies the speakers.
L-shaped probe used
to check available void
space before cutting
speaker holes
AMR650 / OS165CC
207mm diameter
mounting hole

PSA65U power supply to MCU300
For each MCU300 with up to four main zones connected (and no sub-
zones) one PSA65U is required.
Sub-zones require a separate PSA65U power supply.
For each MCU300 (with both main and sub-zones connected) two
PSA65U power supplies are required.
MCU300 to WCU300
Using a single Cat-5e cable, connect each WCU300 to the MCU300 via an
RJ45 plug using the EIA/TIA 568A wiring standard (see page 9) at the
MCU300, and an eight-way colour-coded connection at the keypad.
The Cat-5 connection from MCU300 to WCU300 should not exceed 30m/
100ft.
Sub-zones connections are made in the same way as main zone
connections but from the sub-zone sockets (see later section).
WCU300 to OS165CC or other loudspeakers
Connect the WCU300 to a pair of speakers with two runs of standard high-
quality speaker cable.
11
Audio connections
Connections for one MCU300 with two main zones attached:
Speaker cable Speaker cable
Cat-5 cable
OS165CC OS165CC
WCU300
MCU300
PSA65U

12
Video connections
Where a VSU300 video switcher has been specified
The VSU300 is linked to the MCU300 via a Cat-5e patch cable (supplied
with the VSU300), connected to the expansion sockets on both units. This
provides power, and input switching commands direct from the system
remote control or WCU300.
Main video displays are connected to the VSU300 at the ‘main zone’
sockets via high quality 75 Ohm video cable (CT100/RG6 high-quality
co-axial cable) terminated at the VSU300 by a phono/RCA plug. No
external power is required by the VSU300 it is powered by the MCU300.
Sub-zone video displays are connected in the same way, but to the four
sub-zone sockets on the VSU300.
Connections between MCU300 and VSU300 with two main zones and a
sub-zone attached:
MAIN ZONE
e.g. master
bedroom
SUB-ZONE
e.g. en-suite
bathroom
WCU300 TV
Cat-5
cable
WCU300 TV
Cat-5
cable
OS165CC OS165CC
MCU300
CD player
DVD player
VSU300
Stereo/RCA
phono leads
2 x PSA65U

13
Source connections
Audio source connections
It is possible to connect a total of six audio source components to the
MCU300. The connections are made from a line level output on the source
equipment to one of the six inputs on the MCU300 using RCA/phono to
RCA/phono cables.
Video source connections
When using a VSU300 each of the six sources can also supply video.
The connections are made from a composite video output on the source
equipment to one of the six inputs on the VSU300 using good quality 75
Ohm RCA/phono to RCA/phono video cables.
Remote control of source equipment through the WCU300
For remote control of the source equipment, six routed IR outputs are
provided. Individual IR emitters are plugged into the appropriate IR output
(corresponding to the respective audio input) the other end is stuck to the
IR receiving window of the source equipment:
Scart Out (Composite / RGB)
Composite
Video
Cb/Pb Y
Cr/Pr
Component
S-Video
Optical
Coaxial
Front Surround Centre
L
Video Out
VIDEO INPUTS FROM SOURCES
VIDEO INPUTS FROM SOURCES
4
456
56
123
123
Detail of audio connections between a tuner and MCU300:
Detail of video connections between a DVD player and VSU300:
75 Ohm video RCA/phono cable
MCU300 Audio source
Opus IR-1
cable
Audio
Output
Audio
Output
L
R
FM 75Ω
AM 300Ω
Control Bus
Control Bus
In
Out
In
Out
AUDIO INPUTS FROM SOURCES
AUDIO INPUTS FROM SOURCES
SOURCE 6SOURCE 5SOURCE 4SOURCE 3SOURCE 2SOURCE 1
SOURCE 6 SOURCE 5 SOURCE 4 SOURCE 3 SOURCE 2 SOURCE 1
L
R
L
R
Phono-Phono/RCA-RCA hi-fi interconnect cable
Audio
source
MCU300
VSU300
Video
source

Sub-zone connections
One MCU300 hub supports four main-zones and four sub-zones (eight
rooms in total). Each sub-zone output is tied to a main zone output and
always receives the same source as its main zone (A2 sub-zone output
always receives the same source as A1, B2 always follows B1 etc).
Sub-zones are used for instances such as en-suite bathrooms (the
bedroom being a main zone) where it is desired to to have an area that
automatically follows the same source as another but can be independently
turned on and off, has individual bass and treble etc.
Any main zone can have a sub-zone.
14
Sub-zones
MAIN ZONE
e.g. master
bedroom
SUB-ZONE
e.g. en-suite
bathroom
WCU300 TV
Cat-5
cable
WCU300 TV
Cat-5
cable
OS165CC OS165CC
MCU300
CD player
DVD player
VSU300
Stereo/RCA
phono leads
2 x PSA65U

15
Advanced system options
Note: Full details of installation, connection, operation and special features
can be found in the guide that accompanies the LIM300 module.
The LIM300 Local Input Module (LIM) is an optional in-wall module that
allows the user to add additional local sources to those distributed by the
MCU300.
The local source may only be heard in the room where it is connected and
the corresponding sub-zone (if connected) and is not distributed to other
rooms. LIM300s can be fitted in as many rooms as are desired.
The LIM300 connects between the MCU300 audio hub and a WCU300
keypad using Cat-5/5e wiring. Each main zone can support two LIM300s,
giving you the option of listening to one or two local sources (eg.
Playstation, MP3 player). Each local source can be controlled through the
Opus remote and/or keypad.
Note: The MCU300 and WCU300s must be in Opus A-BUS mode in order
to use an LIM300.
Note: If you are running a sub-zone, this must always be wired via the
LIM300 in the same way as the main zone.
MCU300
Audio source
Opus IR-1 cable
LIM300
WCU300
LRC300
Speaker cable
Cat-5 cable
OS165CC
Stereo/RCA
phono
leads
Cat-5 cable

16
Advanced system options continued
AMR650 Active Speakers
The AMR650 active speakers can be used where it is not desired to have
a keypad fitted in the wall. The AMR650 active speakers feature an IR
receiver and amplifier in one of the speakers and like the WCU300 keypad
do not require mains power.
1. Using a single Cat-5e cable, connect the AMR650-A to the
MCU300/VSU300 via an RJ45 plug at the MCU300, and the eight-way
colour-coded punch down connection at the AMR650.
The RJ45 hub connection should be wired to EIA/TIA568A standard as
shown in the wiring guide on page 6.
The Cat-5 connection from MCU300 to the AMR650-A should not
exceed 30 m/100 ft.
2. The AMR650-A is then connected to the AMR650-P using either Cat-5e
cable terminated at eight-way colour-coded punch down connections
(all eight cores must be connected) or using a run of standard speaker
cable.
Only one method of connection between the active and passive speaker
is necessary.
Full details of installation, connection, operation and special features can
be found in the guide that accompanies the AMR650 speakers.
LRC300
Cat-5 cable
AMR650-A AMR650-P
MCU300
PSA65U

17
Connecting an external amplifier/active subwoofer to your
system
Should extra amplification power, or, an active subwoofer be required, a
line level pre-amp output is provided on the back of the WCU300.
Using high-quality audio interconnect cable, an external power amplifier
may be connected to the WCU300 pre-amp output screw terminals.
A fader function on the WCU300 can be used to adjust the level between
the speakers connected to the WCU300 and the external amplifier/active
subwoofer, so that the balance between the two can be adjusted.
CCTV
A CCTV system may be connected to the Opus 300 Multi-Room system.
Connect the monitor/TV video signal output to the VSU300 at the CCTV IN
socket located on the top surface of the unit allowing the live video feed to
be viewed in all connected zones.
If sound is also required, the audio signal output of the CCTV system may
be connected to the EXT/CCTV inputs on the MCU300.
If the CCTV system is to be remote controlled connect an IR-1 infra-red
emitter to the ALL COMMANDS output on the MCU300 and stick the
emitter over the IR receiver of the CCTV system. This will allow the user to
control the CCTV system from any room in the house.
Active subwoofer or
external amplifier Twin
screened
cable
Outlet with two
Phono/RCA sockets
CCTV hub
Video
Cat-5 cable
Audio
(if available) IR-1
OS165CC
MCU300
WCU300
MCU300 VSU300

18
Larger systems
Linking units
For large installations which require more than four main zones and four
sub-zones, an MCU300 ‘ linking’ facility is provided. Units are linked via a
Cat-5e patch cable to the ‘Hub Link’ in and out sockets on the top right
hand corner of each MCU300.
In order to share audio input sources with the first MCU300, the second
may be joined using Opus C39 audio couplers (see diagram). These
double-ended phono plugs simply connect the ‘Loop out’ sockets of the
first MCU300, to the ‘Audio input’ sockets of the second, allowing both to
access the same sources and distribute them to all available zones.
Up to four MCU300s may be linked together in this way, providing audio for
a maximum of 16 main zones for the MCU300, or 16 main zones and 16
sub-zones for the MCU300.
VSU300 linking
Should video also be required in more than the four main zones and four
sub-zones provided by the VSU300, then these units may also be linked.
Each VSU300 must be connected to a corresponding MCU300 via the Cat-
5e patch cable, in order to provide power and switching commands.
Video input sources may then be shared between both VSU300 units by
using Opus C39 couplers (see diagram). These double-ended phono plugs
simply connect the ‘Loop out’ sockets of the first VSU300 to the ‘Video
input’ sockets of the second, allowing both to access the same sources
and distribute them to all available zones.
Up to four VSU300s may be linked together with the corresponding four
MCU300s in this way, providing video for a maximum of 16 main zones for
the MCU300.
Connections between MCU300 and VSU300 to allow eight main zones and eight
sub-zones:
C39
couplers
C39
couplers
Cat-5
patch
cable
MCU300
MCU300
VSU300
VSU300
Cat-5
patch
cable

VSU300
No. of source inputs 6
No. of loop outputs 6
Source input specification 75 Ohm, composite video
Video bandwidth 10MHz
Maximum cable run to zone 50m / 150ft
Recommended cable type to zone RG6/CT100 75 Ohm co-axial
Required power input Powered by MCU300
Dimensions (W x D x H) 165 x 74 x 44mm
Weight (net) 0.6kg
MCU300
No. of source inputs 6
No. of loop outputs 6
No. of external inputs/loop outputs/CCTV 1
No. of zones per hub 4 main + 4 sub
System zone maximum (4 chained MCU300s) 16 main + 16 sub
Frequency response 20kHz – 20kHz
Trigger output 12V @ 100mA
Required power input 24V dc
(via supplied PSA65U)
Note: Second PSA65U required for sub zone power
Dimensions (W x D x H) 165 x 172 x 48
Weight (net) 1.14kg / 2.5 lbs
System specifications
19
VOL
VOL

AMR650
Frequency Response 60Hz - 20kHz (+/- 2dB)
THD <0.25% @ 5W, 1kHz
Signal/Noise ratio > 80dB
Input impedance (local input) 33K Ohms
Volume control range 0 to -78dB in 31 steps
Pre-amp output Variable, following volume setting
IR passthrough 34-40kHz and 54-58kHz
frequencies supported
Speaker impedance 4 Ohms
Power requirement +24V DC @ 1A max from hub
Weight (AMR650-A) 1.4kg / 3.1lbs
Weight (AMR650-P) 1.1kg / 2.4lbs
Dimensions 240 x 75 mm, 9.4 x 3 inches
20
WCU300 EU version CU version
Frequency response 20Hz–20Hz
Volume control range - 80dB 32 steps
Bass control range +/- 16dB 2dB steps
Treble control range +/- 16dB 2dB steps
Balance control range +/- 40dB 9 steps both ways
IR pass-through 34–40kHz and 54–58kHz modulation
Required power input Powered from MCU300 via Cat-5 cable
System specifications continued
VOL
VOL