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CX-A450:

Installation and Operation Manual 7

07-03-05 V3.0

15 Equalisation Module Installation

1. Turn the power off and remove the mains lead.

2. Remove the top panel from the unit.

3. Select the required PCB connector (see list below) that

you wish to install the equalisation module to and

remove the bypass jumper adjacent to it.

Ch 1 CON 6 J5

Ch 2 CON 7 J6

Ch 3 CON 9 J7

Ch 4 CON 10 J8

4. Configure the relevant 65Hz filter to ‘ON’ (See section

5. Fit the EQ card to the connector so that the module

board is perpendicular to the main board.

6. Push down on the EQ card until it locates with a click.

7. Replace the top panel.

NOTE #1: Before installing your optional modules, ensure

that the total power requirement does not exceed the limits

of the CX-A450 (see section 10).

NOTE #2: Each channel of the CX-A450 can have both

the VCA-5 module and Bose



EQ card installed at the

same time.

16 Field Servicing

The CX-A450 is ruggedly built and uses proven reliable

circuitry. It requires no more than the occasional removal

of any dust that may have built up inside the unit because

of the forced cooling.

17 General Specifications

Inputs Balanced via 3-pin plug-in screw terminal type connectors

Outputs 2-pin plug-in screw terminal type connectors for flexible cables up to 2.5mm²

Protection VI limiting, DC offset, Thermal, Switch-on Delay & Dynamic Clipping Protection

Status Indicators LED indicators on each channel for Signal, Peak &Protect

Cooling Force cooled using variable speed DC fan

Dimensions 482.6mm x 88.0mm (2U) x 300.0mm deep (+ connectors)

Weight 7.15kgs

18 Technical Specifications

Rated Output 4 Ohm load(s) 50W nominal

Rated Output 8 Ohm load(s) 35W nominal

Bridged Output 100W nominal into 8 Ohm load, minimum load 8 Ohms

100V Output 40W into 250 Ohms

70V Output 40W into 125 Ohms

Frequency Response +0dB –0.5dB 10Hz to 20kHz, switch-able high pass filter –3dB @65Hz

THD+N 0.02%, typical, @1kHz, 60W into 4 Ohms, one channel driven,

measurement BW 22Hz to 80kHz

Fig 12

1 2 3 4 5 6 7 8 9 10 11

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