Radio Cassette Recorder RR4220

MBO Schmidt & Niederleitner GmbH & Co. KG; München

Data
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  • Year
  • 1975 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 355027

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line / Batteries (any type) / 220 / D: 4 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9 cm = 3.5 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Radio Cassette Recorder RR4220 - MBO Schmidt & Niederleitner
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 308 x 185 x 80 mm / 12.1 x 7.3 x 3.1 inch
  • Notes

  • Frequency range:
    FM 87.5 - 104 MHz
    AM 520 - 1610 kHz.
    Auto stop, automatic sleep control. Built-in condenser microphone.
    On the top, 6 function buttons including eject; two three-position selectors: tape-radio-sleep, AM-FM-FM AFC and two slide controls for volume and tone; telescopic antenna 5 sections, 74 cm.
    On the right, tuning knob. On the left side, sockets for microphone, remote control and earphone.
    On the rear side, power supply socket and DIN socket for recording.
    Ferrite 9 cm. Speaker KTC 1.5 W, 4 Ω, Taiwan. Rigid, movable handle, with limited travel to the front. 

  • Net weight (2.2 lb = 1 kg)
  • 2.1 kg / 4 lb 10 oz (4.626 lb)
  • Author
  • Model page created by Felice Nicolini. See "Data change" for further contributors.

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

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