Cassette Tape Recorder RQ-221S

Panasonic, Matsushita, National ナショナル (also tubes); Osaka

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  • Year
  • 1971 ??
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 349011

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line plus power jack, mostly with battery or storage battery / 100; 117; 210; 234 / DC: 6 / C: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
  • Power out
  • 1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Cassette Tape Recorder RQ-221S - Panasonic, Matsushita,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 5.25 x 2.25 x 9.875 inch / 133 x 57 x 251 mm
  • Notes

  • Cassette recorder/player.
    Powered by AC, batteries, or ext. DC.
    One motor.
    Remote control, Start-Stop switch located in microphone
    Socket for external loudspeaker which excludes the internal one.

    Power Consumption: Approx. 5 watts
    Motor: DC mechanical govenor motor
    Operation System: Push button operation
    Tape Speed: 1⅞ ips
    Track System: 2 track monaural
    Frequency Response: 80~8,000 Hz
    Recording System: AC bias
    Fast Forward Time: Approx. 90 seconds with RT-60 cassette tape
    Rewind Time: Approx. 90 seconds with RT-60 cassette tape
    Inputs: "MIC" input: 300Ω
      "AUX" input: 100KΩ
      "DC" input: 6 volts
    Outputs: "EXT SPK" output: 8Ω
  • Net weight (2.2 lb = 1 kg)
  • 3 lb 12 oz (3.75 lb) / 1.703 kg
  • Mentioned in
  • -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, marzo 1971.)
  • Literature/Schematics (1)
  • -- Schematic (J.R. CCM Cassette Recorder Circuit Manual, Vol. 5, 1973, Page N7.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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