• Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 13563

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 348 - Sondyna AG; Zürich-Effretikon
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 530 x 360 x 280 mm / 20.9 x 14.2 x 11 inch
  • Notes
  • Ch=EK48
  • Net weight (2.2 lb = 1 kg)
  • 17.5 kg / 38 lb 8.7 oz (38.546 lb)
  • Price in first year of sale
  • 348.00 SFr
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Thali-Schemasammlung und Tungsram-Röhrenbestückung.
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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