Pioneer QX-8000

Data

General

  • Manufacturer: Pioneer
  • Model: QX-8000

Type: Quadraphonic Receiver

  • Years of manufacture: 1971 - 1972
  • Made in: Japan
  • Color: silver, wooden case walnut
  • Power consumption: 330 watts max.
  • Dimensions: 509 x 172 x 377 mm
  • Weight: 15,6 Kg
  • Original price approx.: 500 US-$, 2'000 DM


Connections:

  • Number of inputs:
    • Phono 1: 2 mV, 50 kOhm
    • Phono 2: 2 mV, 50 kOhm
    • AUX 1, 2: 170 mV, 110 kOhm
    • Tape Play 1, 2: 180 mV, 120 kOhm

Main In:

    • Coaxial FM antenna connection (75 Ohm)
    • AM- Antenna Connector (300 Ohm).
  • Number of outputs:
    • Tape Rec 1, 2:
    • Pre Out
    • 2 x speaker pairs: 1 x front, 1 x rear
    • 2 x headphone output front + rear: 6.3 mm jack each


Technical Data:

Amplifier:

  • continuous power: quadrophonic, 20-20 kHz
    • 8 Ohm: 4 x 20 Watt

4 Ohm: 4 x 25 Watt

  • music power: quadrophonic, 20-20 kHz
    • 8 Ohm: 130 Watt
    • 4 Ohm: 180 Watt
  • Total harmonic distortion: < 1 % at rated power
  • Attenuation factor: 35 at 8 ohms, 1 kHz
  • Frequency response: 5 - 100'000 Hz ± 3 dB
  • Signal-to-noise ratio:
    • Phono: > 75 dB
    • Line: > 90 dB
  • Tone control:
    • Bass: + 11 dB, - 12 dB at 100 Hz
    • Treble: + 10.5 dB, - 8.5 dB at 10 kHz
  • Loudness: + 11.5 dB at 100 Hz, + 7 dB at 10 kHz
  • Low Filter (Subsonic): - 6.5 dB at 50 Hz (6 dB / octave)
  • High Filter: - 11.5 dB at 10 kHz (6 dB / octave)


Tuner:

  • Reception: FM, AM
  • Frequencies:
    • FM: 87.5 - 108 MHz
    • MW: 525 - 1605 kHz
  • Input sensitivity:
    • FM: 2.2 µV
    • MW: 15 µV
  • Frequency response: 20 - 15'000 Hz
  • Distortion factor FM: Stereo < 0.8 %, < Mono 0,6 %
  • Signalrauschabstand:
    • UKW: 60 dB
    • AM: 50 dB
  • Stereo-Kanaltrennung: >38 dB at 1 kHz
  • Selectivity:
    • FM: 60 dB

MW: > 25 dB

  • Co-wave selection: 3.0 dB
  • Spurious wave selection: > 80 dB
  • Image frequency attenuation:
    • FM: > 50 dB

MW: > 45 dB IF attenuation:

    • FM: > 85 dB
    • MW: > 30 dB
  • AM suppression: 50 dB


Special Features

  • Quadralizer
  • MPX Noise Filter
  • FM Muting
  • Bass / Tweeter control V + H separately


Remarks



Pictures

  • Extract from brochure: Pioneer QX-8000

Pioneer QX-8000-Prospekt-2.jpg


Reports

  • Review of the Pioneer QX-8000 by "Hifi Studio": [[1]]


Links

  • External link Pioneer brochure on "Hifi Archive": [[2]]</Mono>