• Country
• Germany

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

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5752

• Number of Tubes
• 7

• Valves / Tubes
• RENS1214 RENS1204 RENS1214 RENS1204 REN904 RENS1374d RGN1064

• Main principle
• Superhet with RF-stage; ZF/IF 114 kHz

• Tuned circuits
• 7 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 5 [7 Kreis 7 Rö] - Seibt, Dr. Georg Nachf.;

• Dimensions (WHD)
• 410 x 300 x 285 mm / 16.1 x 11.8 x 11.2 inch

• Notes
• 2004 wenn Erregung

• Price in first year of sale
• 248.00 RM +

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

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

• Other Models

• Here you find 416 models, 356 with images and 204 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