• Year
  • 1924/1925
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 4898
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: 1312 - Tefag; Telephon
  • Shape
  • Tablemodel, slant panel.
  • Dimensions (WHD)
  • 240 x 190 x 140 mm / 9.4 x 7.5 x 5.5 inch
  • Notes
  • für 1221
  • Net weight (2.2 lb = 1 kg)
  • 1.7 kg / 3 lb 11.9 oz (3.744 lb)
  • Price in first year of sale
  • 98.00 RM +
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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