• Country
• Germany

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

• Year
• 1925–1930

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 16906

• • Brand: Mars

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger SOD II - Schneider-Opel AG, Radiowerke;

• Dimensions (WHD)
• 160 x 65 x 125 mm / 6.3 x 2.6 x 4.9 inch

• Notes
• C-Abstimmung; 2 Spulen nebeneinander möglich (z.B. Nr. 2036).

• Price in first year of sale
• 10.00 RM

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

• Source of data
• Radio Schnorr 1929 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (9605)

• 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