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Cambridge Audio Class XD Power Amplifier Azur 840W manual

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Table of contents for the manual

  • Page 1

    Class XD pow er amplifier User’s manual 2 840W azur ENGLISH[...]

  • Page 2

    2 For your own safety please read the following important safety instructions carefully before attempting to connect this unit to the mains power supply . They will also enable you to get the best performance from and prolong the life of the unit: 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructio[...]

  • Page 3

    840W azur 3 ENGLISH V entilation IMPORT ANT - The unit will become hot when in use. Do not stack multiple units on top of each other . Do not place in an enclosed area such as a bookcase or in a cabinet without sufficient ventilation. Ensure that small objects do not fall thr ough any v entilation grille. If this happens, switch off immediately , d[...]

  • Page 4

    4 Thank you for purchasing this Azur 840W Class XD™ pow er amplifier . We hope that y ou will enjoy man y years of listening pleasure from it. The 840W features our unique pr oprietar y amplifier topology; Class XD, designed to eliminate cr ossover distortion at low signal lev els. By actively displacing the cr ossover point this t echnology crea[...]

  • Page 5

    On Off Loop Output Input Balanced Audio - Right Unbalanced Audio - Right Input Loop Output Input Loop Output Out Control Bus Trigger IR Emitter In Out/Thru In In Loop Output Input Balanced Audio - Left Unbalanced Audio - Left azur 840W Class XD TM Power Amplifier Power Rating : 220 - 230V AC ~ 50/60Hz Max Power Consumption : 2400W www.cambridge-aud[...]

  • Page 6

    LED indicators Stereo output: Mono output: Bridged Mono output: Standby/On Switches the unit between Standby mode (indicat ed by dim power LED) and On (indicated by bright po wer LED). Standby mode is a low pow er mode where the power consum ption is less than 10 W atts. The unit should be left in Standby mode when not in use. When the 840W is swit[...]

  • Page 7

    The 840W features both balanced (XLR) and unbalanced (R CA/Phono) output connections. For the best quality w e recommend you use the balanced output with pre-amplifiers that feature this connection (such as our o wn 840E Pre- Amplifier). Before making an y connections to loudspeak ers, make sure all po wer is turned off and only use suitable interc[...]

  • Page 8

    8 840E 840W Bi-wired stereo connections The diagram below shows the 840W connect ed to an 840E bi-wired to a pair of loudspeakers. IMPORT ANT! The metal strip connecting the low -frequency terminals to the high-frequency terminals must be remov ed for a bi-wiring system. Note: In this configuration the 840W must be set to Stereo mode. On Off Loop O[...]

  • Page 9

    840W azur 9 ENGLISH Bridged dual mono connections Bi-amped dual mono connections The 840W features Mono and Bridged Mono settings that allow tw o (or more) 840Ws to be used as mono-blocs for high end syst ems. Below is an example using tw o 840W’s in Bridged Mono with an 840E. In Bridged Mono mode each 840W drives one speaker across its output ch[...]

  • Page 10

    10 The 840W features a Contr ol Bus input/output that allow un-modulated remo te contr ol commands (positive logic, TTL le vel) to be receiv ed electrically by the unit and looped to ano ther unit if desired. These control commands are typically generated by cust om installation (multi-room) systems or remote IR receiver systems. The Contr ol Bus s[...]

  • Page 11

    There is no power Ensure the AC po wer cord is connect ed securely. Ensure the plug is fully inser ted int o the wall socket and is switched on. Check fuse in the mains plug or adaptor . There is no sound Make sure the unit is not in Standb y mode. Check that your source com ponent is properly connect ed. Check that your loudspeak ers are properly [...]

  • Page 12

    AP21 005/3 Cambridge Audio is a brand of Audio Partnership Plc Regist ered Off ice: Gallery Cour t, Hankey Place, London, SE1 4BB, United Kingdom Regist ered in England No. 29533 13 www.cambridge-audio.com © 2008 Cambridge Audio Ltd[...]