GF-3700

Sharp; Osaka

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  • Year
  • 1978 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 303148
    • alternative name: Hayakawa Electric Co.Ltd.

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 11
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Cassette-Recorder or -Player; Radio Control (+Remote Wire etc)
  • Power type and voltage
  • Line plus power jack, mostly with battery or storage battery / 120 / DC 9 / D: 6 x 1-5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
  • Power out
  • 1.95 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: GF-3700 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 355 x 225 x 105 mm / 14 x 8.9 x 4.1 inch
  • Notes

  • Frequency ranges:
    MW = 525 - 1605 kHz
    FM = 87.6 - 108 MHz

    Frequency range cassette section: 50 - 10000 Hz
    Input terminals: microphone, aux input jacks
    Output terminals: external speaker / earphone
    Remote control jack

    1 IC, 11 transitors, 11 AUX transistors (?), 2 LEDs

    See also models GF-3700X with additional LW and GF-3700H with addional SW band.

  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • Mentioned in
  • -- Original-techn. papers.

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