PwrAmp&Spkr 2250
Grebe, A.H. & Co.; Richmond Hill (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Grebe, A.H. & Co.; Richmond Hill (NY)
- Year
- 1928
- Category
- Miscellaneous (Other, Various) - see notes
- Radiomuseum.org ID
- 43474
-
- Brand: Synchrophase
- Number of Tubes
- 7
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Power type and voltage
- Alternating Current supply (AC)
- from Radiomuseum.org
- Model: PwrAmp&Spkr 2250 - Grebe, A.H. & Co.; Richmond
- Notes
- One dial (primary tuning control knob)
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 188 models, 124 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grebe, A.H. & Co.; Richmond Hill (NY)