Stereo Preamplifier AP-1000

Proton Electronic Industrial Co., Ltd; Taipei

  • Year
  • 1990 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 281529

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Preamplifier AP-1000 - Proton Electronic Industrial
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 76 x 360 mm / 16.5 x 3 x 14.2 inch
  • Notes
  • Proton Stereo Preamplifier Model AP-1000.
    Frequency response: 20Hz to 20kHz +/-0,2dB
    Total harmonic distortion: 0.1%
    Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
    Signal to noise ratio: 70dB (MC), 91dB (MM), 103dB (line)
    Output: 21V (Pre out Max)
    Bass Control (at 100 Hz, Boost/Cut): +/-10dB/-10dB
    Treble Control (at 10000 Hz, Boost/Cut): +/-10dB/-10dB
    Infrasonic Filter (10 Hz): -4dB

  • Net weight (2.2 lb = 1 kg)
  • 6.5 kg / 14 lb 5.1 oz (14.317 lb)
  • Mentioned in
  • - - Manufacturers Literature (Service Manual)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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