Sansui 331

Data

General

• Manufacturer: Sansui
• Model: 331 (version 331 L with long wave, version 331 SS without MW, but with KW 1 and KW 2).
• Years of manufacture: 1974 - 1976
• Made in: Japan
• Color: silver, housing wood
• Remote control: -
• Power consumption: 90 W max.
• Dimensions: 424 x 125 x 266 mm
• Weight: 5.7 kg
• Original price approx.: 695 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV / 50 kOhm, 120 mV max.
  • AUX: 150 mV / 50 kOhm
  • Tape Play: 150 mV / 50 kOhm

Tape Play DIN: 150 mV / 50 kOhm Antenna MW Antenna VHF 300 Ohm Balanced

• • Antenna FM 75 Ohm Unbalanced
• Number of outputs:
  • Tape Rec: 150 mV

Tape Rec DIN: 30 mV

• • Headphones (6.3 mm jack, front)
  • 2 pairs of loudspeakers

Technical Data

Amplifier

• Continuous power
  • 8 Ohm: 2 x 6 W (20 Hz - 20 kHz), 2x 6 W (1 kHz)
  • 4 Ohm:
• Dynamic power
  • 8 Ohm: 13 W
  • 4 Ohm: 14 W
• Total harmonic distortion: 1.0
• Attenuation factor: 30 at 8 Ohm
• Frequency response: 40 Hz - 20 kHz
• Signal-to-noise ratio:
  • Phono MM: 70 dB
  • High level: 80 dB
• Tone control:
  • Bass: ± 12 dB at 50 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: + 10 dB at 100 Hz, + 8 dB at 10 kHz
• High Filter:
• Low Filter (Subsonic):
• Mute:

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 87.5 - 108 MHz
  • MW: 525 - 1,605 kHz
• Frequency response: 30 - 15,000 Hz, + 0.5 dB, - 3 dB
• Input sensitivity:
  • FM: 2.5 µV (IHF).
  • MW:
• Distortion factor:
  • FM: 0.8 % (mono), 1.0 % (stereo).

Signal-to-noise ratio:

• • FM: 65 dB (stereo)
• Channel separation:
  • FM: 35 dB (at 1 kHz).
• Selectivity:
  • FM: 60 dB
• Equal wave selection:
  • FM: 1.5 dB
• Spurious wave selection:
  • FM: 70 dB
• Image frequency attenuation:
  • VHF: 50 dB
• IF attenuation:
  • FM: 70 dB
• AM suppression: 50 dB

Special Features

• VHF muting

Remarks

• Other models in the same series:
• Sansui 221
• Sansui 331
• Sansui 441
• Sansui 551
• Sansui 661
• Sansui 771
• Sansui 881

Pictures

• Extract from brochure: Sansui 331