Single Valve Amplifier
Marconi Scientific Instrument Co. LTD.,The; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Marconi Scientific Instrument Co. LTD.,The; London
- Year
- 1923
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 319447
- Number of Tubes
- 1
- Valves / Tubes
- R_England
- Main principle
- Audio-Amplification; 1 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, TUBES VISIBLE.
- from Radiomuseum.org
- Model: Single Valve Amplifier - Marconi Scientific Instrument
- Shape
- Tablemodel, slant panel.
- Notes
-
Marconi Scientific One-Valve Note Magnifier
An audio power amplifier to enable headphone only radios to be heard on a loudspeaker
- Mentioned in
- Wireless World (The), London (WW, 79) (February 10, 1923 The Wireless World and Radio Review magazine page xvii)
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 36 models, 36 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi Scientific Instrument Co. LTD.,The; London