Pioneer SX-990

Data

General

  • Manufacturer: Pioneer
  • Model: SX-990
  • Year of manufacture: 1969 - 1972
  • Made in: Japan
  • Color: Black / Silver
  • Remote control: no
  • Power consumption: 190 W max.
  • Dimensions: 459 x 145 x 369 mm (WxHxD)
  • Weight: approx. 11.4 kg
  • Original price approx.: 1'523 DM (1970)


Connections

  • Number of inputs:
    • 2x phono (MM): 3.3 mV / 50 kOhm.
    • Phono (crystal): 24 mV / 100 kOhm
    • Microphone (6,3mm jack): 3,3 mV / 50 kOhm

Aux: 200 mV / 100 kOhm Tape Play: 200 mV / 100 kOhm Main In: 530 mV / 100 kOhm

    • Antenna (FM: 75, 300 Ohm, AM).
  • Number of Outputs:
    • Tape Rec:
    • Pre Out:
    • Headphones (6.3mm jack)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (at distortion):
    • 8 Ohm: 2x 28 W

4 Ohm: 2x 35 W

  • dynamic power:
    • 8 Ohm: 100 W
    • 4 Ohm:
  • Total harmonic distortion: < 0,5 % bei 1 kHz, Nennleistung
  • Dämpfungsfaktor: 50 bei 8 Ohm
  • Frequenzgang: 10 - 100.000 Hz, ± 3 dB
  • Signalrauschabstand:
    • Phono: >80 dB

High Level: > 100 dB

  • Stereo Channel Separation:
  • Tone Control:
    • Bass: + 11 dB, - 16.5 dB at 50 Hz

Treble: + 10 dB, - 9.5 dB at 10 kHz

  • Loudness: + 10 dB 50 Hz, + 7.5 dB at 10 kHz
  • High Filter: - 7.5 dB at 10 kHz
  • Low Filter (Subsonic): - 8 dB at 50 Hz


Tuner

  • Reception: FM/MW
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 535 - 1605 KHz
  • Input sensitivity:
    • FM: 1.7µV
    • MW: 18µV
  • Frequency response: 24 - 20'000 Hz, + 0,5 dB, - 3 dB
  • Distortion factor: 0.4
  • Signal to noise ratio: 62 dB
  • Channel separation: 40 dB at 1 kHz
  • Selectivity: 40 dB at 400 kHz
  • Co-wave selection:
  • Spurious selection: 96 dB
  • Image frequency attenuation: 87 dB
  • IF attenuation:
  • AM suppression:


Special Features

  • Pre- and power stage separable


Remarks

Other models in the same series:


Pioneer SX-990 is not part of the series built 10-years later:

Pictures

  • Image: Pioneer SX-990

SX990.jpg


  • Excerpt from brochure: Pioneer SX-990

Pioneer SX-990-Prospekt-2.jpg


Reports

Links

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