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CXL-80T
70/100 V Transformer
Installation Instructions
Important Safety Notes
It should be recognised that 100 V-line or 70 V-line speaker systems have the
potential to deliver an electric shock. Install the CXL-80T only in accordance
with these instructions.
In all cases, the external wiring and associated speakers will need to comply
with local electrical regulations for AC voltages up to 100 V
(141 V
).
rms
peak
Do not expose the transformer to rain or moisture.
The transformer module must be installed in a safe manner.
Cloud Electronics Ltd. accept no responsibility for hazardous installations.
1
CXL-80T Installation Instructions v1.0
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Table of Contents
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Summary of Contents for Cloud CXL-80T
- Page 1 Important Safety Notes It should be recognised that 100 V-line or 70 V-line speaker systems have the potential to deliver an electric shock. Install the CXL-80T only in accordance with these instructions. In all cases, the external wiring and associated speakers will need to comply...
- Page 2 INTRODUCTION The CXL-80T is an optional transformer for the 46-80 Multi-Zone Mixer Amplifier, to permit the Mixer Amplifier to directly drive 100 V-line or 70 V-line loudspeaker systems. The transformer is rated at 80 W output, and is mounted internally. Up to four CXL-80Ts (one per output channel) may be fitted to a 46-80.
- Page 3 Remove the top cover (8 screws) and orient the unit with the rear panel towards you. Mount the CXL-80T transformer on the right-hand side of the 46-80 chassis, using one of the holes in the side of the chassis and the M4 bolt supplied with the transformer. The centre of the toroid has a captive M4 nut, so the bolt head should be on the outside of the chassis.
- Page 4 OFF to ON: these are J3 (Zone 1), J4 (Zone 2), J5 (Zone 3) and J6 (Zone 4). This is important, as low frequency signals at high level can saturate the transformer cores, causing unpleasant distortion and possibly activating the amplifier’s limiter circuitry. See the following diagram for location of PCB jumpers. CXL-80T Installation Instructions v1.0...
- Page 5 POWER MODULE – Z3 & Z4 MAIN PCB Output connectors for 70 V-line operation Output connectors for Lo-Z or 100 V-line operation UPPER PCB 46-80 MAIN PCB - REAR VIEW SIMPLIFIED VIEW - ONLY PRIMARY COMPONENTS SHOWN CXL-80T Installation Instructions v1.0...
- Page 6 www.cloudusa.pro...
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