• Year
  • 1978 ?
  • Category
  • Telephony - wire and wireless
  • Radiomuseum.org ID
  • 300429
    • Brand: Elektrotechn. Fabrik Schmidt & Co. (Daimon)

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

 Technical Specifications

  • Number of Transistors
  • 2
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Telefonverstärker 380 - Daimon, Elektrotechnische
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 150 x 70 x 55 mm / 5.9 x 2.8 x 2.2 inch
  • Notes
  • Telefonverstärker (induktiver Empfänger, der auf magnetische Streufelder jeder Art anspricht) zum Mithören von Telefongesprächen. Er wird neben das Telefon gestellt.

  • Net weight (2.2 lb = 1 kg)
  • 0.185 kg / 0 lb 6.5 oz (0.407 lb)
  • Price in first year of sale
  • 34.50 DM
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Heribert Jung. See "Data change" for further contributors.

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Museums

The model Telefonverstärker can be seen in the following museums.

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