• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5744

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; 125; 150; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Roland 3L 3WL - Seibt, Dr. Georg Nachf.;
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Dimensions (WHD)
  • 330 x 490 x 210 mm / 13 x 19.3 x 8.3 inch
  • Net weight (2.2 lb = 1 kg)
  • 9.7 kg / 21 lb 5.9 oz (21.366 lb)
  • Price in first year of sale
  • 190.00 RM +
  • Circuit diagram reference
  • Lange + FS-Bestückungstabellen
  • Literature/Schematics (4)
  • -- Schematic
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

 Collections | Museums | Literature

Museums

The model Roland can be seen in the following museums.

 Forum