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Genius 740A manual

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Table of contents for the manual

  • Page 1

    ENGLISH Integrat ed amplifier User’s manual 2 7 40A azur[...]

  • Page 2

    Thank you for purchasing this Azur 740A Integrated Amplifier. We hope that you will enjoy many years of listening pleasu re from it. The 7 40A is based on our awar d-winning amplifier topology as seen in our 540A and 640A models, fur ther dev eloped and enhanced for this new higher end model as part of our on-going development pr ogramme. The 7 40A[...]

  • Page 3

    7 40A azur 3 ENGLISH 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 defectiv e par ts in this product. W arranty periods may vary from country to country. If in doub[...]

  • Page 4

    4 Impor tant safety instructions Please take a moment t o read these notes bef ore installing your 7 40A, as they will enable you t o get the best per formance and pr olong the life of the unit. We advise y ou follow all instructions, heed all w arnings and keep the instructions f or future reference. V entilation IMPORT ANT - The unit will become [...]

  • Page 5

    7 40A azur 5 ENGLISH Rear panel connections Pow er On/Of f Switches the unit on and off. AC power sock et Once you ha ve complet ed all connections to the amplifier , plug the A C power cable int o an appropriate mains sock et then switch on. Y our amplifier is now ready f or use. Loudspeaker t erminals T w o sets of loudspeaker t erminals are avai[...]

  • Page 6

    6 F ront panel controls Bass Treble Direct M ode S p ea k er A/ B Phones Standb y / On az u r 74 0 A Integrated A m p lifier Vol u me Stand b y/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 s[...]

  • Page 7

    The 7 40A is supplied with an Azur Navigat or remote contr ol that operates both this am plifier and Cambridge Audio Azur CD play ers. Inser t the supplied AAA batteries t o activate. The 7 40A/C remote contr ol comes with an Amplifier Control butt on, that when pressed, puts the remote into Amp mode , allowing operation of the 7 40A. When pressed,[...]

  • Page 8

    Speaker B connections The Speaker B connections on the back of the amplifier allo w for a second set of speakers to be used (i.e. speak ers located in another room). The Speak er A/B button on the front panel allo ws this second set of speakers to be switched on and off. Note: When using tw o pairs of speakers, use speakers with a nominal impedance[...]

  • Page 9

    7 40A azur 9 ENGLISH Operating instructions The 7 40A has a custom-made displa y on the front of the unit showing the current status and allowing you t o access the 7 40A System Configure menus. Here you can adjust the listening settings of the amplifier to personal pref erence. The menu system is easy to na vigate and control, simply b y using the[...]

  • Page 10

    10 Amplifier setup continued V olume display T o change the v olume display from decibels (-84 t o 0dB) to arbitrary volume units (0 to 72 units) select V OL DB in the System Configure menu. Press the input select button t o turn off the volume in decibels. Press the Mode button t o exit. Input gain trim The relative le vels of the inputs can be ad[...]

  • Page 11

    7 40A azur 11 ENGLISH The 7 40A features Incognit o Ready/A-BUS Ready outputs, allowing multi-r oom capability. One or two amplified k eypads can be plugged into the 7 40A (using Cat5/5e cable and RJ45 plugs) to pr ovide multi-room audio in one or two secondary rooms or zones. The ke ypads are powered b y an external PSU (also required) through the[...]

  • Page 12

    12 CAP5 - Fiv ewa y protection system Cambridge Audio has de veloped a proprietary prot ection system to ensure reliability and a long life f or its amplifiers and the speakers the y are connected t o. Note: Due to the req uired sensitivity of the CAP5 system, it is possible that mains pow er disturbances can falsely trigger CAP5 in extreme situati[...]

  • Page 13

    7 40A azur 13 Power Output 1 00W RMS into 8 Ohms 150W RMS into 4 Ohms THD (unweighted) < 0.00 1% 1 kHz at 80% of rated pow er < 0.0 1% 20 Hz - 20 kHz at 80% of rated pow er Frequency Response 1 0 Hz - 50 kHz +/- 1 dB S/N ratio (ref 1W/8 Ohm) > 96 dB Input impedanc es In puts 1-6 4 7 kOhm T ape Input 4 7 kOhm Power Amp damp ing factor > [...]

  • Page 14

    AP20 100/1 Cambridge Audio Galler y Cour t Hanke y Place London SE1 4BB England www.cambridge-audio.com © 200 7 Cambridge A udio Ltd[...]