- Country
- United States of America (USA)
- Manufacturer / Brand
- Grebe, A.H. & Co.; Richmond Hill (NY)
- Year
- 1919
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 43551
-
- Brand: Synchrophase
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 1
- Valves / Tubes
- VT-Class-II or A_Moorhead
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries / 4 & 40 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: RORE - Grebe, A.H. & Co.; Richmond
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
Grebe Model- RORE - 1-Stage Audio Amplifier with external rheostats
Model advertised in Atlantic Radio Co.'s 1919 catalog.
- Price in first year of sale
- 25.00 $
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Mentioned in
- Radio Manufacturers of the 1920's, Vol. 3
- 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)