Transistor Megaphone TM-20

Monacor, Bremen

  • Year
  • 1975 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 114701

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

 Technical Specifications

  • Number of Transistors
  • 4
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Batteries / addl. power jack / 8 × 1,5 / 12 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 20 W (unknown quality)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Transistor Megaphone TM-20 - Monacor, Bremen
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 235 x 235 x 335 mm / 9.3 x 9.3 x 13.2 inch
  • Notes
  • Transistorized Megaphone, integrated microphone attached with a spiral cord.
  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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