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

• Other models in the same series:
• Pioneer SX-580
• Pioneer SX-680
• Pioneer SX-780
• Pioneer SX-880
• Pioneer SX-980
• Pioneer SX-1080
• Pioneer SX-1280
• Pioneer SX-1980

Pictures

• Image: Pioneer SX-680

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Links

• External Link: Classic Audio website: [1]