Quadraphonic Power Amplifier QM-800

Pioneer Corporation; Tokyo

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  • Year
  • 1971/1972
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 313212

 Technical Specifications

  • Number of Transistors
  • 39
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110/120/130/220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 100 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Quadraphonic Power Amplifier QM-800 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 145 x 337 mm / 16.9 x 5.7 x 13.3 inch
  • Notes

  • A hi-fi quadraphonic power amplifier housed in a wooden case with continuous power output 10Hz - 50,000Hz of 4 x 25 watts into 8 ohms, or 4 x 32 watts into 4 ohms, total music power 280 watts into 4 ohms. Partnered by the Pioneer QC-800 Quadraphonic Preamplifier.

    Specification  
    Continuous Power Output
    (4 channels driven)    		 25W x 4 into 8Ω
    32W x 4 into 4Ω
    Continuous Power Output
    (2 channels driven)    		 35W + 35W /35W + 35W into 8Ω
    42W + 42W /42W + 42W into 4Ω
    Music Power Output (IHF) 200W into 8Ω
    280W into 4Ω
    Harmonic Distortion < 0.5%
    Intermodulation Distortion < 0.5%
    Power Bandwidth (IHF) 5Hz — 50kHz (8Ω, 2 channels driven
    Harmonic Distortion < 0.5%)
    10Hz — 50kHz (8Ω, 4 channels driven
    Harmonic Distortion < 0.5%)
    Frequency Response 5Hz — 80kHz ±1dB
    Input Sensitivity/Impedance
    (1kHz, Continuous Power Output)    		 0.5V/70kΩ
    1V/110kΩ
    2V/170kΩ
    Speakers 4 — 16Ω (FRONT, REAR, HIGH RANGE)
    Damping Factor 70 (8Ω, 1kHz)
    Hum and Noise (IHF) > 90dB
    Level Meters 0dB = 35W/8Ω,
    (Sensitivity selector 0dB,-10dB and -20dB)

    Semiconductors: 39 Transistors 37 Diodes

     

    Version/Power Requirements
    FVW  /  110V, 120V, 130V, 220V and 240V AC 50/60Hz with voltage selector

    Power Consumption:  400W (Max.)

  • Net weight (2.2 lb = 1 kg)
  • 11.5 kg / 25 lb 5.3 oz (25.33 lb)
  • Mentioned in
  • - - Manufacturers Literature (1972 Pioneer Hi-Fi Stereo Components catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Pioneer QM-800 dated Sep 1971)
  • Author
  • Model page created by Peter Böhm. See "Data change" for further contributors.

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