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Cambridge Audio 651A manual

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Table of contents for the manual

  • Page 1

    Y our music + our passion 65 1A azur ENGLISH Integrat ed amplifier User’s manual 2[...]

  • Page 2

    2 Contents Introduction Introduction .............................................................................................. 2 Important safety instructions .................................................................. 3 Limited warranty ...................................................................................... 4 Rear panel [...]

  • Page 3

    3 65 1A azur Impor tant safety instructions For y our own safety please read the f ollowing important safety instructions carefully before att empting to connect this unit t o the mains power supply . They will also enable you to get the best performance fr om and prolong the lif e of the unit: 1. Read these instructions. 2. Keep these instructions[...]

  • Page 4

    4 Limited warranty V entilation IMPORT ANT – The unit will become hot when in use. Do not place an ything on top of the unit. Do not place in an enclosed area such as a bookcase or in a cabinet without sufficient ventilation. Ensure that small objects do not fall thr ough any ventilation grille. If this happens, switch off immediately , disconne[...]

  • Page 5

    5 65 1A azur Rear panel connections Pow er On/Of f Switches the unit on and off. This switch is a master on/of f contr ol that completely po wers down the unit. AC po wer socket Once you ha ve completed all connections t o the amplifier , plug the AC po wer cable into an appr opriate mains socket and turn the unit on. Y our amplifier is now ready[...]

  • Page 6

    6 Connections Note: Bef ore making any connections, mak e sure that the 65 1A is turned off. When designing our amplifiers we include f eatures that allow you t o connect your system in v arious ways. The inclusion of f eatures such as Pre-Out and Speaker B connections mean that y ou can flexibly configure your system depending on y our requirem[...]

  • Page 7

    7 65 1A azur Pre-Out connections The Pre-Out sockets are f or connecting to the input sock ets of a power amplifier , or active subwoof er . The diagram below shows ho w to connect the amplifier to an activ e subwoof er via either a mono Sub in or Stereo Line In inputs on the subw oofer . Line In Sub In ENGLISH Speaker B connections The Speaker B[...]

  • Page 8

    8 Connections cont. USB audio connections The diagram below shows ho w to connect the amplifier t o a personal computer via USB connection. Connect a USB ‘B-A ’ type lead from the 65 1A USB input to one of the USB por ts on the PC. The 65 1A is USB 1.1 (F ull-speed) USB port compatible and suppor t USB Audio 1.0, which w orks with nearly all c[...]

  • Page 9

    9 65 1A azur F ront panel controls 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 an eco po wer mode where the power consum ption is less than one watt. The unit is designed so that it can be left safely in Standby mode when not in use. Phones Allows f or the conn[...]

  • Page 10

    Remote control Apple device compatibility The 65 1A is supplied with an Azur Navigator remot e control that operates both this amplifier and Cambridge A udio Azur range CD players. Insert the supplied AAA batteries t o activate. The functions relev ant to the amplifier are as f ollows: Standby/On Switches the amplifier between On and Standby mod[...]

  • Page 11

    11 65 1A azur ENGLISH CAP5: Fiv e-way protection system Cambridge Audio has de veloped a proprietary prot ection system to ensure reliability and long life of its am plifiers. This protection syst em comprises five main pr otection methods: 1. DC detection Indicator – Unit has switched off during operation, prot ection LED constantly flashes i[...]

  • Page 12

    T roubleshooting T echnical specifications 651A Power output 75 watts (into 8Ω) THD (unweighted) <0.002% @ 1kHz, 80% of rated pow er <0.03% 20Hz - 20kHz, 80% of rated power <0.02% 20Hz - 20kHz @ 1 0W F requency response (-1dB) 5Hz - 50kHz S/N ratio (ref 1W) >92dB (unw eighted) Input impedances 4 7kohms Power Amp damping fact or >1[...]

  • Page 13

    13 65 1A azur ENGLISH[...]

  • Page 14

    Cambridge Audio is a brand of A udio Par tnership Plc Regist ered Office: Galler y Court, Hankey Place London SE1 4BB, United Kingdom Regist ered in England No. 29533 13 www.cambridge-audio.com © 20 11 Cambridge Audio Ltd AP3049 1/1[...]