Optonica SA-3131H

Sharp; Osaka

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  • Year
  • 1978/1979
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 185261
    • alternative name: Hayakawa Electric Co.Ltd.

 Technical Specifications

  • Number of Transistors
  • 42
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 80 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Optonica SA-3131H - Sharp; Osaka
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 550 x 142 x 390 mm / 21.7 x 5.6 x 15.4 inch
  • Notes

  • Sharp Optonica SA-3131H;
    2 x 65 W Sinus.

    Tuning range: FM 87.6 - 108 MHz, MW 520 - 1620 kHz, LW  150 - 370 kHz
    P.L.L. stereo demodulation circuit
    Continuous Power output:
    2x65W into 4Ω both channels driven at 1kHz, 0.1% distortion
    2x40W into 8Ω both channels driven at 1kHz, 0.1% distortion
    Total harmonic distortion: 0.05% at 40W (AUX IN)
    Intermodulation distortion: 0.1% at 40W (AUX IN)
    Damping factor: more than 20 (at 1kHz, 4 Ohms)
    Power bandwidth: 10Hz-20kHz
    Input sensitivity and input impedance:
    Phono 1: 2.5mV/50K ohms
    Phono 2: 2.5mV/50K ohms
    AUX: 150mV/50K ohms
    TAPE PLAYBACK 1 and 2: 150mV/50K ohms
    Output level and loaded impedance:
    REC 1 and 2: 150mV/50K ohms
    REC 1 and 2 (DIN socket): 30mV/80K ohms
    Phono overload: 220mV (R.M.S. 1kHz, 0.1% T.H.D.)
    "RIAA" curve deviation (Phono)+-0.5dB
    Frequency responce: 10Hz-50kHz +-1.5dB (AUX, TAPE PLAYBACK)
    Tone control:
    Bass +-10dB at 100Hz
    Treble +-10dB at 10kHz
    Low cut filter: 30Hz, 6dB/oct
    Audio muting: -20dB

    6 ICs, 42 transistors (7 FET), 40 diodes (4 zener), 2 LEDs.

  • Net weight (2.2 lb = 1 kg)
  • 16 kg / 35 lb 3.9 oz (35.242 lb)
  • Mentioned in
  • -- Original prospect or advert ((A) Kapsch Geräteprogramm 1978/79 mit Sharp Importgeräteteil)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  Sharp SA3131H Service Manual courtesy of member Peter Löytynoja 4960 KB
  • Documents regarding this model
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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