Project 80 Stereo Preamplifier CA

Sinclair Radionics Ltd.; St. Ives (Cambridge)

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  • Year
  • 1976 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 340594

 Technical Specifications

  • Number of Transistors
  • 4
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit. / 12-35 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Printed Circuit Board
  • from Radiomuseum.org
  • Model: Project 80 Stereo Preamplifier CA - Sinclair Radionics Ltd.; St.
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 260 x 50 x 20 mm / 10.2 x 2 x 0.8 inch
  • Notes

  • Project 80 Stereo Preamplifier, CA

    This preamp has independent slider controls for tone, volume, and balance.
    Inputs for magnetic and ceramic pick-up, radio, and recorder.
    It is part of a "Project 80" series visible in the brochure.

    CA4 Typical Performance

    Output 100 mV + 3 dB for specified input
    lnput sensitivities: PU1 3 mV magnetic PU
      300 mV ceramic PU
    Source impedance: Radio 100 mV 25K max
      Tape 30mV 10K max
    Tape monitor output: 30mV from 47K
    Frequency response: 20 Hz to 15 kHz
    Frequency range - Bass: +12 dB - 14 dB at 100 Hz
    Frequency range - Treble: +11 dB - 12 dB at 10 kHz
    S/N ratio: 60 dB

    Distributed in Italy by GBC under the number ZA/0280-00 at a cost of ITL 29,500.

  • Mentioned in
  • -- Original prospect or advert (“CQ Elettronica”, Italy, CD editor, number 11/119, November 1976.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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