• Country
• Germany

• Manufacturer / Brand
• Schneider-Opel AG, Radiowerke; Frankfurt a.M., später Berlin

• Year
• 1924–1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 16898

• • Brand: Mars

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

• Number of Tubes
• 1

• Valves / Tubes
• RE79

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 4 & 60 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: SO1A - Schneider-Opel AG, Radiowerke;

• Shape
• Tablemodel, slant panel.

• Notes
• ohne Steckspule; Konstr. Dr. P.Lertes; passender Verstärker SO1N.

• Price in first year of sale
• 75.00 RM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Kat. Julius Jessel 1926/27 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Umschau (RU, 68) (Heft 14, vom 5.April 1925)

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

• Other Models

• Here you find 132 models, 91 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Schneider-Opel AG, Radiowerke; Frankfurt a.M., später Berlin