JVC JA-S 31

Data[edit]

General:

  • Manufacturer: JVC
  • Model: JA-S 31
  • Type: Integrated amplifier
  • Years of manufacture: 1975 - 1978
  • Made in: Japan
  • Color: aluminum front silver
  • Remote control: no
  • Power consumption:
  • Dimensions (WxHxD): 390 x 152 x 330 mm.
  • Weight: 8 kg
  • Original price approx.: 700 DM


Connections:

  • Number of inputs:
    • Phono: 2.5 mV, 47 kOhm, max. 180 mV
    • Tuner: 160 mV, 50 kOhm
    • AUX: 160 mV, 50 kOhm
    • Tape Play 1: 160 mV, 50 kOhm
    • Tape Play 2: 160 mV, 50 kOhm, front panel connections.
  • Number of outputs:
    • Tape Rec 1: 160 mV

Tape Rec 2: 160 mV, front panel connectors Headphones: 8 - 16 Ohm

    • 2 pairs of speakers


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 45 Watt, 1khz, 0,2%
    • 4 Ohm: 2x 48 Watt, 1khz, 0,2%
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.2%
  • Attenuation factor: 30 (20 Hz - 20 kHz, into 8 Ohm)
  • Frequency response: 10 Hz - 80 kHz, - 3 dB
  • Signal-to-noise ratio:
    • Phono: 75 dB

High Level: 95 dB

  • Tone control: yes

Bass: ± 8 dB at 50 Hz

    • Treble: + 8 dB, - 9 dB at 10 kHz
  • Loudness: yes, + 10 dB at 100 Hz, + 4 dB at 10 kHz
  • High Filter:
  • Subsonic:
  • Mute:


Special Features

  • 3-fold overload protection
  • Tape Dubbing


Remarks[edit]



Pictures[edit]

  • Extract from brochure: JVC JA-S 31

JVC JA-S31-Prospekt-2.jpg


Reports[edit]

Links[edit]