CANARY AUDIO CA-903 Owner's Manual

Manual is about: Dual Mono Vacuum Tube Preamplifier

Summary of CA-903

  • Page 1

    C anary a udio ® dual mono vacuum tube preamplifier handcrafted in california ca-903 owner’s manual made in usa.

  • Page 2: Dear Customer:

    ! This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the unit. The lightning flash with arrowhead symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the p...

  • Page 3: Safety Instructions

    Safety instructions power source: • the unit should be connected to an ac power source of the proper rated voltage. • never replace the power supply’s line fuse with the one of incorrect characteristics. Ac cord protection: • do not defeat the grounding or polarization feature of the ac cord. • make...

  • Page 4: Proper Care

    Proper care break-in period: • as with most audio components, the ca-903 requires a “break-in” period. During this period the internal components will stabilize and reach their normal operating parameters. There are no special procedures required for this break-in period, just listening to your favo...

  • Page 5: Unpacking

    Unpacking • open the shipping boxes. • remove the accessories that come with the unit. • grasp the underside of the preamplifier and lift it straight out of the box. • place the preamplifier in a safe location. Remove the packing foam and the protective plastic wrapping. • after unpacking the ca-903...

  • Page 6: Connection Steps:

    Connection steps: 1. Place the ca-903-l and ca-903-p in a rack or on a shelf. The ca-903-l and ca-903-p do not require a special rack or cabinet for installation. 2. Neatly arrange and organize wiring to and from the preamplifier and all components. Separate the ac wires from any audio cables to pre...

  • Page 7: Front Panel Controls

    Tuner 1 21 3 5 19 7 15 9 13 11 23 2 20 off 22 4 18 6 8 14 10 12 volume input select 17 16 line 1 cd line 2 c anary a udio ® mono block vacuum tube preamplifier linestage ca-903-l handcrafted in california front panel controls c anary a udio ® mono block vacuum tube preamplifier power supply ca-903-p...

  • Page 8: Rear Panel Connections

    Dc power in cd line 1 line 2 tuner made in usa c anary a udio ® mono block vacuum tube preamplifier linestage ca-903-l handcrafted in california audio out 1 audio out 2 c anary a udio ® mono block vacuum tube preamplifier power supply ca-903-p handcrafted in california dc power out gnd ac power in m...

  • Page 9: Specifications

    Specifications model: ca-903 input impedance: 50,000 ohms min 100,000 ohms max output impedance: 1,200 ohms maximum gain: 12.3 db frequency response: +/- 1 db from 5 hz to 118,000 hz hum and noise: -90 db maximum output voltage before clipping: 43.9 volts total harmonic distortion: power consumption...

  • Page 10: Limited Warranty

    Limited warranty canary audio warrants to the original purchaser that each ca-903 dual mono preamplifier is free of manufacturing defects for a period of three (3) years from the date of purchase. To receive this warranty, the original purchaser must complete the enclosed warranty registration card ...