Pioneer QM-800

Data

General

• Manufacturer: Pioneer
• Model: QM-800
• Type: Quadrophonic power amplifier
• Years of manufacture: 1970 - 1972
• Made in: Japan
• Color: Wood / Metal Silver
• Power consumption: 370 watts (max.)
• Dimensions: 430 x 145 x 337 mm (WxHxD)
• Weight: 11.5 kg.
• Original price approx.: 62'000 Yen (Japan, 1970), 300 US-$ (~1'200 DM)

Connections

• Number of inputs:
  • Input front 1 + 2, input rear 1 + 2, switchable:
    • Sensitivity/impedance 500mV/70kOhm
    • Sensitivity/impedance 1V/110kOhm
    • Sensitivity/impedance 2V/170kOhm
• Number of outputs:
  • Front output: Left and right
  • Rear output: Left and Right

Technical Data

• Continuous power (at 0.5% distortion)
  • 8 Ohm: 35 + 35 + 35 Watt

4 ohms: 42 + 42 + 42 watts

• Dynamic power
  • 8 Ohm: 200 Watt
  • 4 Ohm: 280 Watt
• Total harmonic distortion: 0.5% at continuous output
• Attenuation factor: 65 (8 Ohm, 1 kHz)
• Frequency response:
  • for stereo operation 5 - 50'000Hz.
  • in quadro mode 10 - 50'000Hz.
• Signal-to-noise ratio: >90dB
• Stereo channel separation:

Special Features

• Range display instruments switchable:
  • 0dB

-10dB -20dB

Remarks

• Other models in the same series:
  • Pioneer QA-800
  • Pioneer QC-800
  • Pioneer QM-800
  • Pioneer QL-600

• Matching oscilloscope
• Pioneer SD-1000

Pictures

• Excerpt from brochure: Quadro power amplifier QM-800

Links

• External Link: Pioneer 1972 catalog: [1]

• External Link: Pioneer QA-800 data sheet: [2]

• External Link: Audio Heritage, Japan: [3]