- Country
- United States of America (USA)
- Manufacturer / Brand
- Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 32414
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- 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
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: SG-9 - Allied Radio Corp. Knight,
- Notes
- Also found under "Columbia Radio Co." model SG-9.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Other Models
-
Here you find 1035 models, 638 with images and 680 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)