Cloud CX163 Installation & Setup Manual
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Cloud CX163 Installation & Setup Manual

Stereo zone mixer
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'Clearly Better
Sound'
Version 2
CX163 STEREO ZONE MIXER
Cloud Electronics Limited
CX163
Installation & Setup
Guide
Copyright Cloud Electronics Limited 2004

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Summary of Contents for Cloud CX163

  • Page 1 ‘Clearly Better Sound’ Version 2 CX163 STEREO ZONE MIXER Cloud Electronics Limited CX163 Installation & Setup Guide Copyright Cloud Electronics Limited 2004...
  • Page 3 CLOUD ELECTRONICS LIMITED CX163 Installation and Setup Guide ZONE 1 ZONE 2 MUSIC MUSIC MICROPHONE LEVEL MUSIC LEVEL MUSIC LEVEL MICROPHONE LEVEL SOURCE SOURCE 2 ZONE STEREO AUDIO CX163 MIXER POWER © Cloud Electronics Limited 140 Staniforth Road • Sheffield S9 3HF • England Phone +44 (0)114 244 7051 •...

  • Page 5: Table Of Contents

    CX163 Stereo Zone Mixer Installation and Setup Guide CLOUD ELECTRONICS LIMITED Table of Contents Section Page Safety Notes ..........1 General Description .
  • Page 6 12.3 Paging access switches not working correctly ....12 12.4 Connecting RSL remotes to the CX163 ....12...

  • Page 7: Safety Notes

    General Description The Cloud CX163 is a stereo mixer zoner with two stereo zone outputs and a mono, fixed level utility output. It has applications where up to six line level music signals and one microphone are required to feed two separate zones (both stereo) and a utility zone (such as toilet areas etc.).

  • Page 8: Schematic Diagram

    The Cloud CX163 occupies one unit of standard 19” equipment rack. The microphone input and all zone outputs are balanced. The CX163 is 150mm deep but a depth of 250mm should be allowed to clear connectors and cables. Ventilation holes on the base of the unit should not be obscured.

  • Page 9: Sensitivity And Gain Control

    The input sensitivity can be varied from -18dBu (100mV) to + 6dBu (1.5V). The pre-set gain controls should be set so that all the input signals operate at the same level (0dBu) within the CX163 to give the music level controls an optimum control range.

  • Page 10: Music Equalisation

    • Remove the mains cable from the rear of the product before removing the top panel. • Only reassemble the unit using screws identical to the original parts. NOTE: The CX163 does not allow remote source selection, so it is incompatible with the RSL-6 remote wallplates. 5.3 Music Equalisation...

  • Page 11: Microphone Input

    This provides the facility for paging microphones, such as the Cloud CPM-4, to be connected to the CX163. The access contacts work on a short-to-ground system, which is compatible with the majority...

  • Page 12: Microphone Gain Control

    Front panel microphone level controls are provided for each stereo zone. Microphone level to the utility zone of the CX163 is varied by using the pre-set level control located above the utility zone output on the rear panel. Rotating any microphone level control fully anti-clockwise effectively turns the microphone off in that zone.

  • Page 13: Microphone Over Music Priority

    CX163 Stereo Zone Mixer Installation and Setup Guide CLOUD ELECTRONICS LIMITED 6.6 Microphone over Music priority CX163 provides facility whereby the microphone signal can be given priority over music signals in any particular zone. When a signal is detected on the mic input, all music J11 &...

  • Page 14: Utility Output

    CLOUD ELECTRONICS LIMITED 7.1 Utility Output The CX163 is fitted with a fixed level, balanced output for utility areas such as toilets and foyers, where it is desirable to have a fixed level signal which operates independently from the variable outputs of Zones 1&2.

  • Page 15: Bose® Active Equalisation Modules

    Replace the top panel. Current Consumption: The CX163 can provide 90mA of power to internal equalisation modules. If this limit is exceeded, the unit will eventually overheat and then shutdown. Below is a table detailing the types of available equalisation module and their relative current consumption.

  • Page 16: Technical Specifications

    CX163 Stereo Zone Mixer Installation and Setup Guide CLOUD ELECTRONICS LIMITED Technical Specifications Line Inputs Frequency Response 20Hz-22kHz, 0 -0.5dB Distortion 20Hz-22kHz, <0.05% Typical Sensitivity 100mV (-17.8dBu) to 1.5V (+6dBu) Input Gain Control 24dB range Input Impedance Ω Headroom >20dB Noise 20Hz-22kHz (0dB gain), <-84dBu rms typical...

  • Page 17: Troubleshooting

    CX163 line inputs. The transformer should be mounted close to the CX163 and the unbalanced output lead should be kept as short as possible. Where both the source and destination units are earthed, it is important to isolate the primary and secondary windings to avoid a potential ground loop;...

  • Page 18: Paging Access Switches Not Working Correctly

    12.4 Connecting RSL remotes to the CX163 The CX163 does not support remote source selection so is incompatible with the RSL remote series. The only remote wallplate supported by the CX163 is the RL-1 remote level plate.

  • Page 19: Safety Considerations And Information

    Only reassemble the unit using screws identical to the original parts. In the interest of continuing improvements Cloud Electronics Limited reserves the right to alter specifications without prior notice. Cloud Electronics Limited 140 Staniforth Road Sheffield S9 3HF England Telephone +44 (0) 114 244 7051 Fax +44 (0) 114 242 5462 E-mail: info@cloud.co.uk...
  • Page 21 Notes:...

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