• Year
  • 1933–1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 7961

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 Special; 1 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 150; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: W321 - Nora, Aron, Heliowatt; Berlin
  • Dimensions (WHD)
  • 341 x 263 x 253 mm / 13.4 x 10.4 x 10 inch
  • Net weight (2.2 lb = 1 kg)
  • 9.8 kg / 21 lb 9.4 oz (21.586 lb)
  • Price in first year of sale
  • 192.00 RM !
  • Circuit diagram reference
  • Schenk-Regelien
  • Literature/Schematics (1)
  • -- Schematic (OTO-Schaltungen)
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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