Cassette Tape Recorder 4240

Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

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  • Year
  • 1970 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 304295

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Batteries / addl. power jack / C: 5 × 1.5 / 7.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 0.32 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Cassette Tape Recorder 4240 - Marconi Co. Marconiphone,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 7 x 9.5 x 2.75 inch / 178 x 241 x 70 mm
  • Notes

  • A compact portable twin-track cassette recorder. Rotary volume/recording level control, the other controls are push button. Moving coil meter for recording level/battery. Two input sockets for microphone, radio or crystal pick-up. Two output sockets, one for for external amplifier, the second for external amplifier, remote control or external power supply.

    The two unknown transistors are in the motor control circuit.

     

  • Price in first year of sale
  • 26.50 GBP
  • Literature/Schematics (1)
  • ERT Service Chart 1800 dated July 15 1971
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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