• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5749

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration; 1 Special; 1 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Roland 3W - Seibt, Dr. Georg Nachf.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 330 x 260 x 210 mm / 13 x 10.2 x 8.3 inch
  • Net weight (2.2 lb = 1 kg)
  • 7.7 kg / 16 lb 15.4 oz (16.96 lb)
  • Price in first year of sale
  • 148.00 RM +
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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Collections

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

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