• Country
• Germany

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

• Year
• 1926 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 231887

• • Brand: Mars

• Number of Tubes
• 3

• Valves / Tubes
• RE064 RE054 RE154

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 6 & 5 & 60 & 100 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite, TUBES VISIBLE

• from Radiomuseum.org
• Model: Dreiröhren-Widerstandsempfänger SO B1 - Schneider-Opel AG, Radiowerke;

• Dimensions (WHD)
• 21 x 5 x 15 mm / 0.8 x 0.2 x 0.6 inch

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Author
• Model page created by Jose Assuncao. See "Data change" for further contributors.

• Other Models

• Here you find 127 models, 79 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