75-B Concert Grand
Silver - Marshall; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Silver - Marshall; Chicago, IL
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 57964
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- -Loudspeaker incorporated, but system not known.
- Material
- Wooden case
- from Radiomuseum.org
- Model: 75-B Concert Grand - Silver - Marshall; Chicago, IL
- Shape
- Console, Highboy (legs > 50 %).
- Notes
- One dial (primary tuning control knob); push-pull af output stage.
- Price in first year of sale
- 182.50 $
- External source of data
- Ernst Erb
- Source of data
- Pre-War Consoles
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Literature/Schematics (1)
- Radio Broadcast, Apr 1930, p. 354
- 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