• Year
  • 1925
  • Category
  • RF (Radio Frequency-) Amplifier
  • Radiomuseum.org ID
  • 10010
    • alternative name: Österreichische Telephonfabriks-AG
    • Brand: Berliner

 Technical Specifications

  • Number of Tubes
  • 3
  • Valves / Tubes
  • Main principle
  • TRF with regeneration; 2 Special
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 100+4 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 75400 - ÖTAG; Österreichische
  • Notes
  • 3fach HF-Verstärker zu 75500
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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