Transistor Telefonverstärker Tele-Merc 70

TeleMerc (Marke)

  • Year
  • 1970 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 235407

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

 Technical Specifications

  • Number of Transistors
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Loudspeaker + integr.Amplifier
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch
  • Power out
  • 0.2 W (max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Transistor Telefonverstärker Tele-Merc 70 - TeleMerc Marke
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 75 x 100 x 40 mm / 3 x 3.9 x 1.6 inch
  • Notes
  • Intended for people with hearing-difficulties. The signal pickup is a coil of 134 mH with an suction cap, which can be fixed at the telefon-casing near the transformer, or at the backside of the receiver. Cable lenght of 1m makes it possible to place the amplifier next to the telefon or hang it to the wall.

  • Net weight (2.2 lb = 1 kg)
  • 0.215 kg / 0 lb 7.6 oz (0.474 lb)
  • Author
  • Model page created by Dejan Momirov. See "Data change" for further contributors.

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