Cambridge Audio azur 851E User Manual

Cambridge Audio azur 851E User Manual

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Pre-Amplifier
User's manual
2
azur
851E
Your music + our passion

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Summary of Contents for Cambridge Audio azur 851E

  • Page 1 Pre-Amplifier User's manual azur 851E Your music + our passion...
  • Page 2: Table Of Contents

    Information in this document has been carefully checked for accuracy at the time of printing; however, Cambridge Audio's policy is one of continuous improvement, therefore design and specifications are subject to change without prior notice.
  • Page 3: Important Safety Instructions

    EC) Directives when used and installed according to this instruction 11. Only use attachments/accessories specified by the manufacturer. manual. For continued compliance only Cambridge Audio accessories should be used with this product and servicing must be referred to 12. Use with only the cart, stand, tripod, bracket, or qualified service personnel.
  • Page 4: Limited Warranty

    Cambridge Audio product, Positioning it can be returned by your dealer to Cambridge Audio or an authorised Cambridge Audio service agent. You will need to ship this product in Choose the installation location carefully. Avoid placing it in direct either its original packaging or packaging affording an equal degree of sunlight or close to a source of heat.
  • Page 5: Rear Panel Connections

    RS232C Rec In (Source 8) The RS232C port allows external serial control of the 851E, for use in a Connect to the output sockets of a Tape/MD player or other devices that custom installation. A full command set is available on the Cambridge support recording.
  • Page 6: Front Panel Controls

    This control gives the audio signal a more direct path by bypassing the switch on the rear panel. tone control circuits for the purest possible sound quality. Note: As default the 851E ramps the volume up or down when switched The Bass/Treble icon ( ) appears in the display when the bass on and when going into Standby mode.
  • Page 7: Remote Control

    851E Remote control The 851E is supplied with a CA System remote control that operates both this amplifier and Cambridge Audio 851 series and Stream Magic products. Insert the supplied AAA batteries to activate. The functions relevant to the amplifier are as follows: Standby/On Switches the amplifier between On and Standby mode.
  • Page 8: Source Connections

    The 851E can also be connected to non Cambridge Audio sources with balanced outputs. Connect the Control Bus Out from the 851E to the Control Bus In on the 851W. Continue the chain to other Azur models if it is required to sync Balanced connections in an audio system are designed to reject more units.
  • Page 9: Output Connections - Balanced

    851E Output connections - Balanced The diagram below shows the 851E connected to an 851W using the Your loudspeaker may have more than one pair of connecting terminals; Balanced Audio inputs via three-pin XLR connectors. LF (Low Frequency) and HF (High Frequency). For single-wiring it is recommended to connect to the LF terminals.
  • Page 10: Mono Bridged Connections

    851W must be in the 'Unbalanced' position. The example below uses balanced connections from 851E to each Only use the Left Inputs on the 851W for Bridged operation. 851W, unbalanced connections can also be used and the principle is the same.
  • Page 11: Operating Instructions

    Operating instructions Pre-amplifier setup The 851E has a custom-made display on the front of the unit that shows The 851E features many advanced settings that allow its use to be the current status and allows you to access the 851E System settings customised to user preference.
  • Page 12: Volume Trim

    Repeat this process if other sources also stand out as louder The 851E automatically ramps the volume down when going into than the average. Standby mode and up when coming out of Standby mode. To turn this...
  • Page 13 You may wish to re-name the fixed level input as “AV mode” or similar on the 851E. As the gain can be fixed to any value it is easy to match the level of the 851E to that of the other AV channels.
  • Page 14: Cap5: Five-Way Protection System

    Description – During power up from Standby, CAP5 performs a check When the 851E and the 851W are paired, if any, the 851E can detect on the loudspeaker terminals to see if a short across the terminals has errors from the 851W and an error notification will flash briefly on the been accidentally introduced.
  • Page 15: Custom Installation (C.i.) Use

    Control Bus Output. Check that source component is properly connected. An RS232C port is also featured which allows the 851E to be Check that REC IN is not switched on (unless record input is required). controlled by C.I. systems.
  • Page 16 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 © 2013 Cambridge Audio Ltd...

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