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CX-A450:

Installation and Operation Manual

07-03-05 V3.0

4. Unscrew the relevant blanking plate from the rear

of the unit & retain the screw.

5. Adjacent to the connector there is an M3 fixing

screw remove & retain this screw then fit a 35mm

M3 hex spacer (supplied) in its place.

6. Push the 10-way VCA plug onto the PCB connector, aligned so the cable enters it from

the rear of the chassis (See Fig 9) check there is contact with all 10 pins.

7. Position the VCA module’s 3-pin socket through the rear panel cut-out and secure using

M3 screws (both removed earlier)

8. Replace the top panel.

VCA Module Installed to Channel 1

13 Remote Level Plate Connections

The RL-1 is a remote control plate that allows the level of a specific channel to be remotely

controlled (in conjunction with the VCA-5). The RL-1 is compatible with UK domestic

electrical accessories and can be mounted onto a standard British flush or surface mounted

25mm deep back box (The RL-1A is available for the US market).

Remote Level Control Wiring

As Fig 10 shows, the RL-1 is connected to a CX-A450 remote connector with a two-core

cable that has an overall screen. It is possible to connect a single remote control module to

control more than one channel simultaneously (Fig 11). As more channels are linked the law

of the control will be compromised resulting in an uneven control of volume; this has proved

to be of little consequence operationally.

14 Speaker Equalisation Modules

Each channel of the CX-A450 can have a speaker equalisation module installed so that its

output will be compensated correctly for a wide range of speakers.

The following speaker models are supported:

- Bose

Speaker models: M8, M16, M32, MA12, 402, 502A, 502B, 502BEX, 802, MB4,

MB24, LT3202, LT4402, LT9402, LT9702

Fig 10

Fig 11

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Cloud CX-A450 Betriebsanweisung Seite 8