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CXV-225 & CXV-425
AMPLIFIERS
Installation and User Guide

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Summary of Contents for Cloud CXV-225

  • Page 1 CXV-225 & CXV-425 AMPLIFIERS Installation and User Guide...
  • Page 3: Table Of Contents

    General Notes ..........11 EMC Considerations ..........11 Earthing ..............11 Technical Specifications ......12 General Specifications ........ 12 Location of Internal Jumpers and Connectors........... 13 CXV-225 connector and jumper details .....13 CXV-425 connector and jumper details .....14 CXV-225 & CXV-425 User Manual v1.0...
  • Page 4: Safety Information

    The product conforms to the following European electrical safety standard: BS EN 60065:2002 The CXV Series was developed and manufactured with high quality materials and components, which can be recycled and/or reused. CXV-225 & CXV-425 User Manual v1.0...
  • Page 5: General Description

    100 V line type with the manufacturer. Unlike traditional 100 V line amplifier designs, the CXV-225 and CXV-425 do not employ an output transformer. This produces a considerable saving in weight and a significant improvement in audio quality.
  • Page 6: Front Panel Description

    POwER LED (18 dB below maximum output) AIR INTAKE GRILLES PEAK LEDs (one per channel) – illuminate if maximum output voltage is reached (100 Vrms) PROTECT LEDs (one per channel) – indicate fault conditions CXV-225 & CXV-425 User Manual v1.0...
  • Page 7: Rear Panel Description

    CXV-425 Rear panel showing output terminal cover fig.5: CXV-225 Rear panel showing output terminals Rear Panel Description INPUT CONNECTORS (one per channel) AC MAINS CONNECTOR INPUT LEVEL CONTROLS (one per channel) EARTH SAFETy TAG MAINS FUSE HIGH PASS FILTER CONTROLS (one per channel) COOLING FANS AND AIR EXHAUST –...
  • Page 8: Installation

    19” equipment rack. The front panel is fitted with rackmount obtained with the control fully anti-clockwise. Maximum ears for this purpose. The CXV-225 requires 2U of vertical sensitivity is with the control fully clockwise; at this setting rack space, the CXV-425 requires 3U. See notes below the maximum output level of 100 Vrms will be produced for regarding spacing and ventilation.
  • Page 9: Remote Control Of Level

    Remote Control of Level Outputs The CXV-225 and CXV-425 amplifiers are compatible with The 100 V line speaker output terminals are behind the standard Cloud remote control plates type RL-1, allowing removable output terminal cover (see page 7). The covers control of level from a remote position.
  • Page 10: Protection

    VCA connector for the first channel being fitted, and any 100 V line system. The CXV-225 and CXV-425 have remove the jumper joining one pair of pins. variable frequency high pass filters in each channel, accessible •...
  • Page 11: Bose® Equalisation Modules (Optional)

    General Notes BOSE® Equalisation Modules (Optional) The CXV-225 and CXV-425 are compatible with Bose® Series II loudspeakers; a single-channel Bose® equalisation EMC Considerations module may be fitted to as many channels as necessary. CXV Series amplifiers fully conform to the relevant Equalisation modules for the following Bose®...
  • Page 12: Technical Specifications

    DC fans Dimensions 482.6 x 88 (2U) x 300 (+ connectors) 482.6 x 132.5 (3U) x 332 (mm, W x H x D) (+ connectors) Weight 8.8 kg net 21 kg net CXV-225 & CXV-425 User Manual v1.0...
  • Page 13: Location Of Internal Jumpers And Connectors

    PCB REF Function Default Setting CON1 CH1 VCA CARD CON3 CH2 VCA CARD CON9 CH1 BOSE® EQ CARD CXV-225 CON10 CH2 BOSE® EQ CARD CH 1 EQ CARD BYPASS CH 2 EQ CARD BYASS CXV-225 & CXV-425 User Manual v1.0...
  • Page 14: Cxv-425 Connector And Jumper Details

    CH2 BOSE® EQ CARD CXV-425 CON15 CH3 BOSE® EQ CARD CON17 CH4 BOSE® EQ CARD CH 1 EQ CARD BYPASS CH 2 EQ CARD BYPASS CH 3 EQ CARD BYPASS CH 4 EQ CARD BYPASS CXV-225 & CXV-425 User Manual v1.0...
  • Page 15 Bose® is a registered trademark of The Bose Corporation. In the interest of continuing improvements Cloud Electronics Limited reserves the right to alter specifications without prior notice. CXV-225 & CXV-425 User Manual v1.0...
  • Page 16 Cloud Electronics Limited 140 Staniforth Road Sheffield S9 3HF England Tel: +44 (0)114 244 7051 Fax: +44 (0)114 242 5462 email: info@cloud.co.uk web: www.cloud.co.uk...

This manual is also suitable for:

Cxv-425

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