Cary Audio Design CAD-280SA manual

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Table of contents for the manual

  • Page 1

    Cary Audio Design CAD-280SA V-12R Vacuum Tube Stereo or Monobloc Power Amplifiers OPERATION MANUAL NOTE: Before installing your new V-12R power amplifier, please read this manual carefully as it will inform you of the specifications, proper installation procedures and operation procedures. Also included in this manual are guidelines on how to prope[...]

  • Page 2

    Specifications for your new V-12R power amplifier. We have updated the V-12 mono and stereo models to a RACING (R) version! The new racing input circuit makes the input sensitivity 1.2 volts, similar to most components currently available. Operating the power amplifier is a simple procedure. Each unit is designed for long term stability in virtuall[...]

  • Page 3

    1.3 Front Panel Features POWER ON/OFF SWITCH: AC mains switch and high voltage in “ON” position HV LED: Indicates the high voltage supply is ON and the fuse is intact. BIAS L led: Indicates the Bias voltage for Left channel (Left chassis side for Mono) BIAS R led: Indicates the Bias voltage for Right channel (Right chassis side for Mono) OPERAT[...]

  • Page 4

    INSTALLATION This section describes the unpacking and installation procedures for the CAD-280 SA amplifier. 2.1 Unpacking All shipping containers have been specifically designed to protect their contents and special care has been taken to prevent damage under normal shipping conditions. Mishandling should be evident upon inspection of the shipping [...]

  • Page 5

    The speaker cables from the output posts of the CAD-280 SA to the speaker system can be any convenient length your set-up requires. Select speaker cables of sufficient[...]

  • Page 6

    size to preserve the outstanding performance capabilities of your power amplifier. Heavy gauge #14 wire is suitable for distances up to 15 feet, #12 wire for up to 30 feet. Your Authorized Cary Audio Dealer will have proper speaker cable in stock for this purpose. Signal input connection is made via the input jack(s) on the rear of the CAD-280 SA. [...]

  • Page 7

    3.6 Bias Measurement The bias is factory preset. It is a good idea to measure it during the initial setup to make sure it is set to the specifications provided at the end of this manual. The AC voltage may be different from one area to the next. Follow the instructions provided. (250-275 mA is the recommended bias setting range, per side, with 220 [...]

  • Page 8

    ! PLEASE OBSERVE THE SAFETY DIRECTIONS IN THIS MANUAL TO AVOID POSSIBLE ELECTRICAL SHOCK OR EQUIPMENT FAILURE DUE TO IMPROPER INSTALLATION! Cary Audio Design 1020 Goodworth Drive Apex, North Carolina 27539 Tel: 919-355-0010 Fax: 919-355-0013 www.caryaudio.com info@caryaudio.com WARNING! MAKE NO ATTEMPT TO PUT THE CAD-280 SA IN SERVICE WITH THE BOTT[...]