Pioneer SX-680

Data

General

  • Manufacturer: Pioneer
  • Model: SX-680
  • Type: Receiver
  • Years of manufacture: 1978 - 1980
  • Made in: Japan
  • Color: front silver, wooden cabinet
  • Remote control: no
  • Power consumption:
  • Dimensions: 435 x 144 x 314 mm (WxHxD).
  • Weight: approx. 8.9 kg
  • Original price approx.: 300 US-$, 980 DM


Connections

  • Number of inputs:
    • Phono (MM): 2.5 mV / 50 kOhm

2x Tape, Aux: 150 mV / 50 kOhm

    • Antenna (FM: 75, 300 Ohm, AM).
  • Number of outputs:
    • 2x Tape Rec: 150 mV
    • Headphones (6,3mm jack)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (at distortion):
    • 8 Ohm: 2x 30 W

4 Ohm: 2x 37 W

  • Dynamic power:
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.1%
  • Attenuation factor:
  • Frequency Response: 5 - 100,000 Hz (±3 dB).
  • Signal-to-noise ratio:
  • Stereo channel separation:
  • Tone control:
    • Bass: yes

Treble: yes

  • Loudness: yes
  • High Filter: no
  • Low Filter (Subsonic): no
  • Mute:


Tuner

  • Reception: FM/MW
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 535 - 1605 KHz
  • Input sensitivity:
    • FM: 1.8µV
    • MW: 15µV
  • Frequency response: 30 - 15,000 Hz (+0.2/-0.5 dB)
  • Distortion factor:
    • FM (1 kHz): < 0.10% (mono), < 0.15% (stereo).
  • Signal-to-noise ratio:
    • FM (65 dBf): 75 dB (mono), 66 dB (stereo).
    • MW: 55 dB
  • Channel separation: 45 dB (1 kHz)
  • selectivity:
  • Co-wave selection: 1.0 dB
  • Spurious wave selection:
    • FM: 80 dB
  • Mirror frequency attenuation:
    • FM: 90 dB

MW: 40 dB IF attenuation:

    • FM: 110 dB
    • MW: 40 dB
  • AM suppression: 55 dB


Special Features


Remarks


Pictures

  • Image: Pioneer SX-680

Pioneer SX-680 1.jpg



Reports

Links

  • External Link: Classic Audio website: [1]