• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5746

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Direct Current supply (DC) / 110-220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Roland 3PG - Seibt, Dr. Georg Nachf.;
  • Dimensions (WHD)
  • 360 x 275 x 160 mm / 14.2 x 10.8 x 6.3 inch
  • Notes
  • Preis ohne Röhren, zusätzlich Röhrensatz:

    • 2 x REN1821, REN1822, Preis: 40,50 RM
  • Price in first year of sale
  • 90.00 RM +
  • Circuit diagram reference
  • Lange + FS-Bestückungstabellen

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

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