Page 2 - Azur integrated amplifier; CONTENTS
2 Azur integrated amplifier Introduction .................................................................................................3 Safety precautions ......................................................................................4 Important safety instructions ..........................
Page 3 - Integrated amplifier; Incognito Ready / Custom Install Use; INTRODUCTION
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 3 Thank you for purchasing this Cambridge Audio Azur range amplifier.These version 2 models are part of our commitment to the on-goingdevelopment of the Azur range. We hope that you will appreciate theresults and enjoy many years of liste...
Page 4 - Checking the Power Supply Rating; SAFET Y PRECAUTIONS
4 Azur integrated amplifier Checking the Power Supply Rating For your own safety please read the following instructions carefully before attemptingto connect this unit to the mains. Check that the rear of your unit indicates the correct supply voltage. If your mainssupply voltage is different, consu...
Page 5 - IMPORTANT SAFET Y INSTRUCTIONS
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 5 IMPORTANT SAFET Y INSTRUCTIONS Please take a moment to read these notes before installing your Azuramplifier, they will enable you to get the best performance and prolongthe life of the product. We advise you follow all instructions, he...
Page 6 - Mains voltage selector switch; REAR PANEL CONNECTIONS
6 Azur integrated amplifier Power On/Off Switches the unit on and off. Mains voltage selector switch Switches the mains voltage between 115V and 230V. For use byinstaller/dealer only. AC power socket Once you have completed all connections to the amplifier, plug the ACpower cable into an appropriate...
Page 7 - Control Bus; In - Allows un-modulated commands from multi-rooms systems or other; Tape In
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 7 Multi-room PSU - Connect an Incogntio PS5 to supply power to the connected multi- room keypads/speakers. Keypad 1/2 - Connect one or two Incogntio A-BUS KP10 keypads (or other A-BUS compatible keypads) using CAT5/5e cable.Incognito AS10...
Page 8 - Basic connection; CONNECTING
8 Azur integrated amplifier When designing our amplifiers we have tried to include features thatallow you to connect your system in various ways. The inclusion offeatures such as Pre-Out and Speaker B connections mean that you canflexibly configure your system depending on your requirements. Thefoll...
Page 9 - Speaker B connections
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 9 Speaker B connections The Speaker B connections on the back of the amplifier allow for asecond set of speakers to be used (ie speakers located in anotherroom). The Speaker B button on the front panel allows this second setof speakers to...
Page 10 - Infrared sensor; Receives IR commands from the supplied Azur remote control.; Phones; FRONT PANEL CONTROLS
10 Azur integrated amplifier Standby/On Switches the unit between Standby mode (indicated by dim power LED)and On (indicated by bright power LED). Standby is a low power modewhere the power consumption is less than 10 Watts. The unit should beleft in Standby mode when not in use. Infrared sensor Rec...
Page 11 - Direct
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 11 Direct This control gives the audio signal a more direct path to the poweramplifier stage of your amplifier, bypassing the tone control circuits forthe purest possible sound quality. Bass and Treble These controls allow subtle adjustme...
Page 12 - REMOTE CONTROL; Mute; Press and hold the Standby button. The remote first generates it's
12 Azur integrated amplifier REMOTE CONTROL The 540A/640A V2.0 is supplied with an AzurNavigator remote control that operates both thisamplifier and Cambridge Audio Azur range CDplayers. Insert the supplied AAA batteries to activate.The functions relevant to the amplifier are as follows: Standby/On ...
Page 13 - Ready
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 13 MULTI-ROOM The Azur V2.0 amplifiers feature Incognito Ready TM / A-BUS TM Ready outputs, allowing multi-room capability. One or two amplified keypads(and an external PSU power supply) can be plugged into the amplifier(using Cat5/5e cab...
Page 14 - Over temperature detection; CAP5 - FIVE WAY PROTECTION SYSTEM
14 Azur integrated amplifier amplifier is working harder. If the amplifier is mounted in a cabinet or theventilation slots are obstructed the over temperature detection mayactivate/reactivate after a short listening time. Remedy - User related fault. The internal temperature of the output transistor...
Page 15 - Short circuit detection
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 15 4. Short circuit detection Indicator - Unit has switched off during operation, protection LED flashes constantly in bursts of four. Description - During power up from Standby CAP5 performs a check on the loudspeaker terminals to see if...
Page 16 - TROUBLESHOOTING
16 Azur integrated amplifier 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 source component ...
Page 17 - TECHNICAL SPECIFICATIONS
540A/640A V2.0 Integrated amplifier Azur integrated amplifier 17 540A V2.0 Power output 60 watts (into 8 Ω ) 90 watts (into 4 Ω ) THD (unweighted) <0.002% @ 1kHz, of rated power<0.070% 20Hz - 20kHz, of rated power<0.025% 20Hz - 20kHz @ 10w Frequency response (-1dB) 5Hz - 50kHz S/N ratio (re...
Page 18 - LIMITED WARRANT Y
Cambridge Audio warrants this product to be free from defects inmaterials and workmanship (subject to the terms set forth below).Cambridge Audio will repair or replace (at Cambridge Audio's option) thisproduct or any defective parts in this product. Warranty periods may varyfrom country to country. ...
