Stereo Radio Cassette Recorder QT-77E

Sharp; Osaka

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  • Year
  • 1984 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 268228
    • alternative name: Hayakawa Electric Co.Ltd.

 Technical Specifications

  • Number of Transistors
  • 15
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line / Batteries (any type) / 220-240 / 8 x 1.5 / 12 Volt
  • Loudspeaker
  • 2 Loudspeakers / Ø 4 inch = 10.2 cm
  • Power out
  • 7.6 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Stereo Radio Cassette Recorder QT-77E - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 418 x 135 x 115 mm / 16.5 x 5.3 x 4.5 inch
  • Notes

  • European/UK version (BS415 Approved) of QT-77  which has Longwave replacing one Shortwave band. (FM band is marked U-FM and has both channel and kanal, SW marked K-SW). The non-E versions have also 110V as well as 220V.

    Semiconductors:

    • 11 ICs
    • 15 transistors
    • 47 diodes
    • 4 LEDs

    Wavebands:

    • LW 150KHz ... 285kHz
    • MW 520KHz ... 1620 kHz
    • SW 5.95MHz ... 18MHz
    • VHF-FM 87.5MHz ... 108MHz

    Stereo and Stereo Wide settings.

    Piezo tweeters.

    Line input.

    Double Cassette Tape Deck, Auto Stop, One Touch Recording, APSS (Auto Program Search System), Metal Tape Capability.

    Dubbing.

    3.8W "RMS" per channel, 10% distortion on battery, higher peak power on mains.

    Frequency range:

    • 40Hz -14,000Hz (normal tape)
    • 40Hz - 15,000Hz (Cr02tape)
    • 40Hz - 16,000Hz (metal tape)

    Signal/noise ratio:

    • 55 dB (Deck 1, playback)
    • 50 dB (Deck 2, normal tape recording)

    Input impedance:

    • Mixing Microphone: 600 ohms
    • Line in: 20 k ohms

    Power:

    • External 12V jack
    • "8" type mains socket
    • 8 x C cells
    • Power Consumption 14 Watts

    Made in Japan.

    The (BK), (R), (W), (BL) after the Model indicates the case colour (Black, Red, White, pale Blue etc). As well as this E version there is a Z version.

  • Net weight (2.2 lb = 1 kg)
  • 3.3 kg / 7 lb 4.3 oz (7.269 lb)
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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The model Stereo Radio Cassette Recorder is part of the collections of the following members.

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