SM-681-250
Silver - Marshall; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Silver - Marshall; Chicago, IL
- Year
- 1929
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 103928
- Number of Tubes
- 4
- 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-681-250 - Silver - Marshall; Chicago, IL
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 17.25 x 10.5 x 9.75 inch / 438 x 267 x 248 mm
- Notes
- Add on push pull power output stage with B power supply for radio set.
Regulator tube UX874.
Steel box.
- Price in first year of sale
- 97.00 $
- Literature/Schematics (1)
- Walter Ashe Radio Co. catalogue for season 1928-1929
- Author
- Model page created by Vitor Oliveira. See "Data change" for further contributors.
- 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