- Country
 - Germany
 
- Manufacturer / Brand
 - Schneider-Opel AG, Radiowerke; Frankfurt a.M., später Berlin
 
- Year
 - 1928/1929
 
      - Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 16935
 
- 
        
- Brand: Mars
 
 
- Number of Tubes
 - 4
 
- Main principle
 - TRF with regeneration; 2 AF stage(s)
 
- Tuned circuits
 - 1 AM circuit(s)
 
- Wave bands
 - Broadcast (MW) and Long Wave.
 
- Power type and voltage
 - Alternating Current supply (AC) / 220 Volt
 
- Loudspeaker
 - - This model requires external speaker(s).
 
- Material
 - Wooden case
 
- from Radiomuseum.org
 - Model: Eos III SO-N1 - Schneider-Opel AG, Radiowerke;
 
- Shape
 - Tablemodel, slant panel.
 
- Dimensions (WHD)
 - 275 x 188 x 345 mm / 10.8 x 7.4 x 13.6 inch
 
- Notes
 - 
        
Pultform; 200-2200m.
Die Röhre RGN1054 war ab 1929 die Ersatzröhre, denn sie ersetzte die RGN1504 von 1927.
 
- Price in first year of sale
 - 141.00 RM
 
- External source of data
 - E. Erb 3-907007-36-0
 
- Source of data
 - Radiokatalog Band 2, Ernst Erb
 
- Circuit diagram reference
 - FS-Bestückungstab. (wahrsch. m.Fehler)
 
- Other Models
 - 
        
Here you find 133 models, 92 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