Valveless Amplifier
Valveless Amplifier Co.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Valveless Amplifier Co.; London
- Year
- 1925 ?
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 347896
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Details
- Loudspeaker + integr.Amplifier
- Power type and voltage
- Dry Batteries
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Valveless Amplifier - Valveless Amplifier Co.;
- Shape
- Tablemodel, with any shape - general.
- Notes
-
Amplifies your Crystal Radio Reception to the extent of a two-valve set. A loud Speaker can be worked off your Crystal Set if Headphone signals can be heard 3" from the ears.
Possibly similar to Brown's Crystavox.
- Price in first year of sale
- 2.50 GB £
- Mentioned in
- -- Original prospect or advert (Popular Wireless & Wireless Review Jan 17, 1925, Page 1224)
- Author
- Model page created by Gary Cowans. See "Data change" for further contributors.
- Other Models
-
Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Valveless Amplifier Co.; London