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azur 840W
Class XD power amplifier
User’s manual
2
ENGLISH
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Important safety instructions 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. The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un-insulated 2. Keep these instructions. ‘dangerous voltage’ within th
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azur 840W Limited warranty Cambridge Audio warrants this product to be free from defects in Ventilation materials and workmanship (subject to the terms set forth below). IMPORTANT - The unit will become hot when in use. Do not stack Cambridge Audio will repair or replace (at Cambridge Audio's option) this multiple units on top of each other. Do not place in an enclosed area product or any defective parts in this product. Warranty periods may vary such as a bookcase or in a cabinet without suffic
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Contents Introduction Important safety instructions.....................................................................2 Thank you for purchasing this Azur 840W Class XD™ power amplifier. We hope that you will enjoy many years of listening pleasure from it. Limited warranty..........................................................................................3 The 840W features our unique proprietary amplifier topology; Class XD, designed to eliminate crossover distortion at low signal level
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azur 840W Rear panel connections Loudspeaker Terminals - Right IMPORTANT! Loudspeaker Terminals - Left Impedance 4 - 8 ohms Only change modes Impedance 4 - 8 ohms Designed in London, England when unit is off. 1 Please ensure that loudspeaker terminals are fully tightened Please ensure that loudspeaker terminals are fully tightened 1 Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées Refer to Manual for TM Veuillez s'assurer que les bornes de l'enceinte sont entièrement se
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Front panel controls azur 840W Class XD Power Amplifier Left Right 1 Standby / On Output Protection Clipping Bridged Mono Output Protection Clipping 2 3 4 5 6 2 3 4 1 Standby/On LED indicators Switches the unit between Standby mode (indicated by dim power LED) Stereo output: and On (indicated by bright power LED). Standby mode is a low power mode where the power consumption is less than 10 Watts. The unit azur 840W Class XD Power Amplifier should be left in Standby mode when not in use. Left R
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azur 840W Connections The 840W features both balanced (XLR) and unbalanced (RCA/Phono) output connections. For the best quality we recommend you use the balanced output with pre-amplifiers that feature this connection (such as our own 840E Pre-Amplifier). Before making any connections to loudspeakers, make sure all power is turned off and only use suitable interconnects (e.g. banana plugs). Ensure that the positive (+) and negative (-) connections are matched. Your loudspeaker may have more than
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Power syncing (On/Standby control) When going in/out of Standby mode the Azur 840E pre-amplifier can (if Note: The 840E features a Trigger Out which can alternatively be used desired) automatically control the 840W when connected via the Control to control the 840W’s Standby/On status if desired. Again, the Bus sockets (the Control Bus sockets are colour-coded orange on the procedure is simply to connect the two units together (using a 3.5mm to rear panels of compatible Azur models). For this fe
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azur 840W Bi-amped dual mono connections The 840W features Mono and Bi-Amped Mono settings that allow two Important 840W settings (or more) 840Ws to be used as mono-blocs for high end systems. Below Only use the Left Inputs on the 840W for Bi-Amped operation. is an example using two 840Ws in Bi-Amped Mono with an 840E. In this configuration the Stereo/Mono switch on the 840W must be set In Bi-Amped Mono mode each 840W drives one speaker. to ‘Mono’ and the Mono mode switch must be set to ‘Bi-Amp’
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Custom installation (C.I.) use Technical specifications IR Emitter Control Bus The 840W features a Control Bus input/output Power Output - Stereo/Mono 200W per channel 8 Ohms In In Out that allow un-modulated remote control 350W per channel 4 Ohms commands (positive logic, TTL level) to be received Power Output - Bridged Mono 500W 8 Ohms electrically by the unit and looped to another unit 800W 4 Ohms if desired. These control commands are typically generated by custom installation (multi-room) s
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azur 840W Troubleshooting There is no power Ensure the AC power cord is connected securely. Ensure the plug is fully inserted into 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 Standby mode. Check that your source component is properly connected. Check that your loudspeakers are properly connected. Check that the Left and Right Input Type switches are in the correct position (Balanced or Unbalanced). Check that the Ste
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Cambridge Audio is a brand of Audio Partnership Plc Registered Office: Gallery Court, Hankey Place, London, SE1 4BB, United Kingdom Registered in England No. 2953313 www.cambridge-audio.com © 2008 Cambridge Audio Ltd AP21005/3
