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azur 840A
Class XD Integrated Amplifier
User’s Manual
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CONTENTS Introduction .................................................................................................3 Safety precautions ......................................................................................4 Important safety instructions.....................................................................5 Rear panel connections..............................................................................6 Front panel controls..................................................
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840A Class XD integrated amplifier INTRODUCTION Thank you for purchasing this Azur 840A Class XD Integrated Amplifier. Input 1 features a balanced input using XLRs giving optimal This unit is part of our new '8' Series taking Cambridge Audio to new performance with equipment such as the matching 840C Upsampling levels of audio excellence as part of our commitment to the on-g going CD player which feature balanced outputs. development of the Azur range. We
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SAFETY PRECAUTIONS The crossed-out wheeled bin is the European Union symbol for Checking the Power Supply Rating indicating separate collection for electrical and electronic For your own safety please read the following instructions carefully before attempting equipment. This product contains electrical and electronic to connect this unit to the mains. equipment which should be reused, recycled or recovered and should not be disposed of with unsorted regular waste. Please Check that the rear
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840A Class XD integrated amplifier IMPORTANT SAFETY INSTRUCTIONS Please take a moment to read these notes before installing your Azur heat. Do not stack multiple units on top of each other. Do not place in amplifier, they will enable you to get the best performance and prolong an enclosed area such as a bookcase or in a cabinet without sufficient the life of the product. We advise you follow all instructions, heed all ventilation. warnings and keep the instructions for future reference. WARNING
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REAR PANEL CONNECTIONS Power Multi-Room Input 1 Balanced Audio GND 4 5 6 7 Designed in London, England + + Keypad 1 IR1 IR3 International Patent Pending On Off ™ LeisureTech Electronics Pty Ltd 8 azur 840A Class XD Integrated Amplifier IR Emitter Control Bus 1 www.cambridge-audio.com In In Out PSU Right Left Power Rating: 230V AC ~ 50Hz In _ _ Max Power Consumption: 800W A Manufactured in an ISO9002 approved facility Loudspeaker Terminals Power AC Keypad 2 IR2 IR4 Left Right Impedance 4 - 8 oh
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840A Class XD integrated amplifier 6 RS232C 10 Tape In/Out The RS232C port allows external serial control of the 840A for custom Connect to a tape deck or to the analog output sockets on a MiniDisc, install use. A full command set is available on the Cambridge Audio portable digital music player or CD recorder using an interconnect cable website at www.cambridge-a audio.com. This port can also be used by from the recorder's Line Out sockets to the amplifier's Tape In sockets. Cambridge Audio se
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FRONT PANEL CONTROLS azur 840A Class XD Integrated Amplifier 8 11 Standby / On Phones Speaker A/B Mode Bass Treble Direct 6 7 1 2 3 4 5 9 10 Volume 1 Standby/On 3 Speaker A/B Switches the unit between Standby mode (indicated by dim power LED) Press to scroll through the speaker sets connected to the loudspeaker and On (indicated by bright power LED). Standby is a low power mode terminals on the back panel (speaker sets A, B or A and B). This can be where the power consumption is less than 10 Wa
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840A Class XD integrated amplifier 4 9 Mode Bass and Treble Press to switch between Volume and Balance modes. Press and hold to Press to release and rotate to allow subtle adjustments to the tonal to enter the 840A system configure menu. balance of the sound. 5 Infrared sensor 10 Direct Receives IR commands from the supplied Azur remote control. A clear This control gives the audio signal a more direct path to the power unobstructed line of sight between the remote control and the sensor is a
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REMOTE CONTROL The 840A is supplied with an Azur Navigator remote control that Mute operates both this amplifier and Cambridge Audio Azur CD Mutes the audio on the amplifier. The mute mode is indicated by players. Insert the supplied AAA batteries to activate. MUTE appearing and the volume level being replaced by two The 840A/C remote control comes with an Amplifier flashing dashes in the display. Press again to cancel mute. Control button, that when pressed, puts the remote into Amp mode, all
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840A Class XD integrated amplifier CONNECTIONS When designing our amplifiers we have tried to include features that Tape connection allow you to connect your system in various ways. The inclusion of The diagram below shows how to connect the amplifier to a tape features such as Pre-Out and Speaker B connections mean that you can recorder or other source with a record and monitor connection. flexibly configure your system depending on your requirements. The following diagrams are designed to mak
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CONNECTIONS (CONTINUED) Speaker B connections Preamp Out connections The Speaker B connections on the back of the amplifier allow for a The Preamp Out sockets are for connecting to the input sockets of a second set of speakers to be used (i.e. speakers located in another power amplifier or active subwoofer. The diagram below shows how to room). The Speaker A/B button on the front panel allows this second set connect the amplifier to an active subwoofer via the Line In inputs on the of speaker
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840A Class XD integrated amplifier balanced interconnection is to get the signal you want by subtraction, Balanced audio connections using a three-wire connection. One signal wire (the hot or in-phase) The diagram below shows how to connect the 840A to the Azur 840C carries the normal signal, while other (the cold or phase-inverted) Upsampling CD player using the Balanced Audio inputs via three-pin XLR carries an inverted version. The balanced input senses the difference connectors (Note: the
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OPERATING INSTRUCTIONS The 840A has a custom-made display on the front of the unit showing Balance the current status and allowing you to access the 840A System Configure menus. Here you can adjust the listening settings of the Mode amplifier to personal preference. The menu system is easy to navigate and control, simply by using the input select buttons to turn a feature on (solid circle) or off (no circle) and the volume control knob to Volume increase/decrease settings. Press the Mode button
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840A Class XD integrated amplifier AMPLIFIER SETUP The 840A features many advanced settings that allow its use to be be Clip detector / Speaker short detector customised to user preference. The inputs can be named to reflect the Refer to the ‘CAP5’ section of this manual for more information on the actual source units you have, each input can be trimmed so that each Clip and Short detection features of the 840A, as both can be enabled sounds the same in terms of loudness when you switch be
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AMPLIFIER SETUP (CONTINUED) Volume display Fixed level inputs Any input of the 840A is able to be set for fixed gain. Whenever this input Mode is selected the gain will automatically go to this value and will not be adjustable by the volume control. This feature allows the 840A to be effectively used as a stereo power amplifier (for that selected input only). For example, as well as operating as a pure stereo amplifier, the 840A Volume can provide the amplification for the front left and righ
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840A Class XD integrated amplifier To set a fixed volume for a source, select FIXED INP in the System Select the connected Azur models by pressing the appropriate input Configure menu: select button. For example, CA XXXC for an Azur CD player (540C V2, 640C V2), CA XXXD for an Azur DVD player, CA DAB T for an Azur DAB tuner etc. Mode Press ON & OFF to scroll through the options of ON (turns all Azur units on only), OFF (turns all Azur units into Standby only) or ON & OFF (turns all Azur units on
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MULTI-ROOM TM TM The 840A features Incognito Ready / A-BUS Ready outputs, allowing Speakers (e.g. SS10) multi-room capability. One or two amplified keypads can be plugged into connected via speaker cable the amplifier (using Cat5/5e cable and RJ45 plugs) to provide multi- room audio in one or two secondary rooms or zones. The keypads are powered by an external PSU (also required) through the Cat5/5e cables KP10-E EU keypad and no mains connection is required in the secondary rooms. Multi-Ro
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840A Class XD integrated amplifier CUSTOM INSTALLATION (C.I.) USE IR Emitter Control Bus It is then possible to control the source equipment from the remote The 840A features a Control Bus In In Out rooms by using the source equipment's own remote controls or through input/output that allow un-modulated a learning remote. The Incognito LR10 can fully control the keypads, remote control commands (positive “learn” the source's remote control codes (including those from other logic, TTL level) to b
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CAP5 - FIVE WAY PROTECTION SYSTEM Cambridge Audio has developed a proprietary protection system to ensure reliability and a long life to its amplifiers. This protection system Mode comprises of five main protection methods: 1. DC detection Volume Indication - Unit has switched off during operation, display flashes “DC ERROR”. If the unit has not fully cooled down then the temperature may reach the limit soon after the amplifier is powered up. If the loudspeaker impedance is low the temperature
