- Country
- United States of America (USA)
- Manufacturer / Brand
- Silver - Marshall; Chicago, IL
- Year
- 1929/1930
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 58008
Lafayette Catalog 1931 Page 63
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Valves / Tubes
- UX227 or C327 UX226 or CX326 UX226 or CX326 UX250 or CX350 UX250 or CX350 UX281 or CX381 UX281 or CX381
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 105-120 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Metal case
- from Radiomuseum.org
- Model: SM-690 - Silver - Marshall; Chicago, IL
- Shape
- Rack
- Dimensions (WHD)
- 21 x 14 x 8 inch / 533 x 356 x 203 mm
- Notes
- Theatre Amplifier, high power 250 push pull.
- Price in first year of sale
- 245.00 $
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Literature/Schematics (1)
- Chicago Salvage Stock Store catalogue, 1930
- Other Models
-
Here you find 225 models, 116 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Silver - Marshall; Chicago, IL