Pioneer QX-9900

Data

General

  • Manufacturer: Pioneer
  • Model: QX-9900

Type: Quadraphonic Receiver

  • Years of manufacture: 1972 - 1974
  • Made in: Japan
  • Color: Silver, wooden case walnut
  • Power consumption: 480 watts max.
  • Dimensions: 560 x 170 x 430 mm
  • Weight: 21,3 Kg
  • Original price approx.: 3'752 DM


Connections:

  • Number of inputs:
    • Phono 1: 2.9 mV, 45 kOhm
    • Phono 2: 2.9 mV, 45 kOhm
    • Microphone: 3.8 mV, 50 kOhm
    • AUX 1, 2: 200 mV, 60 kOhm
    • Tape Play 1, 2: 200 mV, 60 kOhm

Main In: 500 mV, 50 kOhm Coaxial FM antenna connection (75 Ohm)

    • AM antenna connection (300 Ohm)
  • Number of outputs:
    • Tape Rec 1, 2: 200 mV

Pre Out: 500 mV, 4.5 V max.

    • 4 x loudspeaker pairs: 2 x front, 2 x rear
    • 2 x headphone outputs front + rear: 6.3 mm jack each


Technical Data:

Amplifier:

  • continuous power: quadrophonic, 20 Hz - 20 kHz
    • 8 Ohm: 4 x 38 Watt

4 Ohm: 4 x 50 Watt

  • music power: quadrophonic, 20 Hz - 20 kHz

8 Ohm: 180 W

    • 4 Ohm: 240 W
  • Total harmonic distortion: < 0.5 % at rated power
  • Attenuation factor: 50 at 8 ohms, 1 kHz
  • Frequency response: 5 - 90'000 Hz ± 1 dB
  • Signal-to-noise ratio:
    • Phono: > 75 dB
    • Line: > 90 dB
  • Tone control:
    • Bass: ± 10.5 dB at 100 Hz
    • Treble: + 9.5 dB, - 10 dB at 10 kHz
  • Loudness: + 7 dB at 100 Hz, + 4 dB at 10 kHz
  • Low Filter (Subsonic): - 8 dB at 50 Hz (6 dB / octave)
  • High Filter: - 8 dB at 10 kHz (6 dB / octave)

Muting: - 20 dB


Tuner:

  • Reception: FM, AM
  • Frequencies:
    • FM: 87.5 - 108 MHz
    • MW: 525 - 1605 kHz
  • Input sensitivity:
    • FM: 1.8 µV
    • MW: 10 µV
  • Frequency response: 20 - 15'000 Hz
  • Distortion factor FM: Stereo < 0.5 %, < Mono 0,3 %
  • Signalrauschabstand:
    • UKW: 70 dB
    • AM: 50 dB
  • Stereo-Kanaltrennung: >40 dB at 1 kHz
  • Selectivity:
    • FM: 70 dB

MW: 35 dB

  • Co-wave selection: 2.0 dB
  • Spurious wave selection: > 80 dB
  • Image frequency attenuation:
    • FM: > 85 dB

MW: > 80 dB IF attenuation:

    • FM: > 100 dB
    • MW: > 75 dB
  • AM suppression: 50 dB


Special Features

  • 4 VU meters
  • Microphone input front, mixable
  • MPX Noise Filter
  • FM Muting
  • Bass / Tweeter control V + H separately


Remarks



Pictures

  • Extract from brochure: Pioneer QX-9000

Pioneer QX-9000-Prospekt-1.jpg


Reports

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


Links

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