Stereo Music System HMK-77B

Sony Corporation; Tokyo

  • Year
  • 1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 159552

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Details
  • Other Combination - see Notes
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 70 W (unknown quality)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Stereo Music System HMK-77B - Sony Corporation; Tokyo
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 663 x 177 x 490 mm / 26.1 x 7 x 19.3 inch
  • Notes
  • Sony HMK-77B Stereo Music System;
    Tuner:
    FM: 87.5 - 108 MHz,
    SW: 5.8 - 15.8 MHz,
    MW: 530 - 1.605 kHz,
    LW: 150 - 350 kHz,
    tuning meter, FM muting,
    Amp:
    bass-, treble & balance control, speaker A+B, loudness & hi filter, 2 x 50/70 W 4 ohm, 0.8 % distortions,
    Tape:
    Nor/Fe-Cr/CrO2 bias/eq, response: 40...12.500 Hz, 40...16.000 Hz & 40...16.000 Hz, 0.1% wow & flutter, Dolby NR, combined L+R manual rec. level control, two VU meters, record-, peak & Dolby LED indicators, monitor button, tape counter, auto-stop,
    Phono:
    Direct Drive Full Automatic Stereo Turntable System, 33 & 45 rpm, manual or three size disc selector, Anti-scating, MM system, 10...30.000 Hz response,
    Terminals:
    headphones, 2 x mic. in, tape I/O, two speaker pairs, black finish, plexi glas hood, 180 W power consumption, fitted speaker boxes type SS-2070.
  • Net weight (2.2 lb = 1 kg)
  • 22 kg / 48 lb 7.3 oz (48.458 lb)
  • Mentioned in
  • -- Original prospect or advert ((D) Sony Hifi-Programm 1978)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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