Instruction/ maintenance manual of the product 640A Cambridge Audio
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azur 540A/640A V2.0 Integrat ed amplifier User’s manual.
2 Azur integrat ed amplifier Introduction .................................................................................................3 Safety precautions ......................................................................................4 Important safety instructions .
540A/640A V2.0 Integrat ed am plifier Azur integrat ed amplifier 3 Thank you for purchasing this Cambridge Audio Azur range amplifier. These version 2 models are part of our commitment to the on-going development of the Azur range. We hope that you will appreciate the results and enjoy many years of listening pleasure from them.
4 Azur integrat ed amplifier Checking the Power Supply Rating For your o wn safety please read the f ollowing instructions carefully before att empting to connect this unit to the mains. Check that the rear of your unit indicates the correct supply v oltage.
540A/640A V2.0 Integrat ed am plifier Azur integrat ed amplifier 5 IMPORT ANT SAFET Y INSTRUCTIONS Please take a moment t o read these notes bef ore installing your Azur amplifier , they will enable you to get the best performance and prolong the life of the pr oduct.
6 Azur integrat ed amplifier Power On/Off Switches the unit on and off. Mains voltage selector switch Switches the mains voltage between 1 15V and 230V . For use by installer/dealer only . AC power socket Once you ha ve completed all connections t o the amplifier , plug the AC power cable int o an appropriate mains sock et.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 7 Multi-room PSU - Connect an Incogntio PS5 to supply power t o the connected multi- room k eypads/speakers. Ke ypad 1/2 - Connect one or tw o Incogntio A-BUS KP10 ke ypads (or other A-BUS compatible ke ypads) using CA T5/5e cable.
8 Azur integrat ed amplifier When designing our amplifiers we ha ve tried to include f eatures that allow you t o connect your system in v arious ways. The inclusion of features such as Pre-Out and Speak er B connections mean that you can flexibly configure your syst em depending on your requirements.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 9 Speaker B connections The Speaker B connections on the back of the amplifier allo w for a second set of speakers to be used (ie speak er s located in ano ther room). The Speak er B button on the front panel allo ws this second set of speakers t o be switched on and of f.
10 Azur integrated am plifier Standby/On Switches the unit between Standby mode (indicat ed by dim pow er LED) and On (indicated b y bright power LED). Standby is a lo w power mode where the power consum ption is less than 10 W atts. The unit should be left in Standby mode when not in use.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 11 Direct This control giv es the audio signal a more direct path to the power amplifier stage of your amplifier , bypassing the tone contr ol circuits for the purest possible sound quality .
12 Azur integrat ed amplifier REMOTE CONTROL The 540A/640A V2.0 is supplied with an Azur Navigat or remote contr ol that operates both this amplifier and Cambridge Audio Azur range CD play ers.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 13 MUL TI-ROOM The Azur V2.0 amplifiers feature Incognit o Ready TM / A-BUS TM Ready outputs, allowing multi-r oom capability.
14 Azur integrat ed amplifier amplifier is working harder . If the amplifier is mounted in a cabinet or the ventilation slots are obstruct ed the over t emperature detection ma y activate/reactiv ate after a shor t listening time. Remedy - User relat ed fault.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 15 4. Short circuit detection Indicator - Unit has switched off during operation, prot ection LED flashes constantly in bursts of four .
16 Azur integrated am plifier 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.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 17 540A V2.0 Power output 60 watts (into 8 Ω ) 90 watts (into 4 Ω ) THD (unweighted) <0.
Cambridge Audio warrants this pr oduct to be free fr om defects in materials and workmanship (subject t o the terms set f or th below). Cambridge Audio will repair or replace (at Cambridge A udio's option) this product or an y defective parts in this product.
540A/640A V2.0 Integrat ed amplifier Azur integrat ed amplifier 19 This guide is designed to mak e installing and using this product as easy as possible.
azur 540A/640A V2.0 Par t No. AP183 7 6/2 www .cambridge-audio.com.
An important point after buying a device Cambridge Audio 640A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cambridge Audio 640A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cambridge Audio 640A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cambridge Audio 640A you will learn all the available features of the product, as well as information on its operation. The information that you get Cambridge Audio 640A will certainly help you make a decision on the purchase.
If you already are a holder of Cambridge Audio 640A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cambridge Audio 640A.
However, one of the most important roles played by the user manual is to help in solving problems with Cambridge Audio 640A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cambridge Audio 640A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
