Synchrophase SK4DC
Grebe, A.H. & Co.; Richmond Hill (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Grebe, A.H. & Co.; Richmond Hill (NY)
- Year
- 1930 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43571
-
- Brand: Synchrophase
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Power type and voltage
- Direct Current supply (DC) / 4.5 & 9 & 13.5 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: Synchrophase SK4DC - Grebe, A.H. & Co.; Richmond
- Notes
-
The schematic shows 3 internal batteries (or one battery with 2 intermediate sockets) and an external DC power source.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Mentioned in
- -- Schematic (La Riparazione degli Apparecchi Radio, Delforno - Colciago, Italy 1941)
- Other Models
-
Here you find 188 models, 124 with images and 60 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)