Bose
Single Channel Equalisation Module: Installation Guide 3
modules and external devices to the Z4
II
and Z8
II
mixers since exceeding the external load
capacity risks temporary power supply failure. The table below lists the current consumption
of each internal module and external device compatible with the Z4
II
and Z8
II
. Use this table
to verify that the external load of your proposed system falls within the specified limits.
External Active Device / Internal Module Current Consumption
CPM 4 & 8 40mA
AE-1 9mA
DM-1 18mA
LM-1 12mA
Bose Equalisation Module
7mA
If the mixer has a CPM paging microphone installed, you have the option to power the
microphone with the ‘CPM-PSU’ external power supply. This will reduce the load on the
system by 40mA.
If a power supply failure occurs switch off the mixer and disconnect the remote modules, the
mixer should be left off for approximately 30 seconds to allow it to reset. Check the wiring
and total current consumption of the external active devices before reconnecting the power
and if the problem persists contact our technical department.
2f Z4II and Z8II Instructions
1. Switch off the power and remove the mains lead.
2. Remove the top panel from the unit.
3. Remove the jumper from connector CON2 on the required zone board.
4. There is a hole near CON2 marked ‘FIX’. Push the plastic spacer into the hole, until it
‘clicks’ into place.
5. Push the Bose
equalisation module onto the PCB connector; care must be taken to
position the module correctly always using the mounting spacer if only to verify correct
orientation of the module.
6. Push down on the Bose
equalisation module until the plastic spacer clicks into place
through the hole in the equalisation module.
7. Replace the top panel.
2g CX-A450 Information
PCB Location of Connector
Each channel of the CX-A450 can have a Bose
equalisation
module installed for use with Bose
100V line speakers. The
relevant connectors are marked Con 7-10, each connector
can be found approximately 75mm away from the side of the
heat sink, in line with the output IC on the main PCB. See
the diagram to the right to show a Bose
card installed to one
of these connectors.
When fitted with Bose
100V line speaker equalisation the
respective channel must have its 65Hz high-pass filter
switched ‘ON’ (see section 2h).
2h CX-A450 Instructions
1) Turn the power off & remove the mains lead.
2) Remove the top panel from the unit.
3) Remove the jumper from the appropriate connector on the
CX-A450 main PCB.
CON 7 = Channel 1
CON 8 = Channel 3
CON 9 = Channel 5
CON 10 = Channel 7
4) Turn the relevant 65Hz high pass filter ‘on’ by moving the
relevant jumpers to the ‘ON’ position (see list on next page).
25-10-02 V7
(155 pages)
(68 pages)
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