• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 12272

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-250 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 28 cm = 11 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: M25A - Mediator; La Chaux-de-Fonds
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 460 x 530 x 210 mm / 18.1 x 20.9 x 8.3 inch
  • Notes
  • Chassis identically constructed like Philips 830A.

    1932= Import??

  • Net weight (2.2 lb = 1 kg)
  • 13 kg / 28 lb 10.1 oz (28.634 lb)
  • Price in first year of sale
  • 360.00 SFr
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Die Tungsram-Tabellen führen das Modell auf.
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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The model is part of the collections of the following members.

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