• Country
• Germany

• Manufacturer / Brand
• Seibt, Dr. Georg (Nachf.); Berlin, auch München

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5767

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

• Number of Tubes
• 3

• Valves / Tubes
• RENS1894 RENS1884 RENS1823d EU

• Main principle
• TRF without regeneration; 1 Special; 1 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Direct Current supply (DC) / 110-220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Roland 33LG - Seibt, Dr. Georg Nachf.;

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 390 x 490 x 270 mm / 15.4 x 19.3 x 10.6 inch

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 414 models, 353 with images and 203 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Seibt, Dr. Georg (Nachf.); Berlin, auch München