Grenville Power Amplifier Cat. No. W 90110
Efescaphone (Brand), Falk, Stadelmann & Co. Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Efescaphone (Brand), Falk, Stadelmann & Co. Ltd.; London
- Year
- 1925
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 273646
-
- Brand: Efescaphone
1924 Efescaphone Wireless catalog page 14
1924 Efescaphone Wireless catalog page 14
- Number of Tubes
- 2
- Main principle
- Audio-Amplification; 2 AF stage(s)
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Grenville Power Amplifier Cat. No. W 90110 - Efescaphone Brand, Falk,
- Shape
- Tablemodel, slant panel.
- Dimensions (WHD)
- 10.5 x 9.5 x 8.5 inch / 267 x 241 x 216 mm
- Notes
-
The "Grenville" Power Amplifier. Special Power Valves are required. (Marconi L.S.2)
The tube LS2 from MO is possible in 1925, not before.
- Price in first year of sale
- 16.80 GBP
- Mentioned in
- - - Manufacturers Literature (1924 Efescaphone Wireless catalog page 14)
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 71 models, 65 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Efescaphone (Brand), Falk, Stadelmann & Co. Ltd.; London