3 Valve Portable
MPA (M.P.A.) Wireless Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- MPA (M.P.A.) Wireless Ltd.; London
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 243903
From Punch Advert in 1920s
- Number of Tubes
- 3
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- -Loudspeaker incorporated, but system not known.
- Material
- Wooden case
- from Radiomuseum.org
- Model: 3 Valve Portable - MPA M.P.A. Wireless Ltd.;
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
-
A fully self-contained portable not requiring external connection to batteries, aerial or earth and with built-in speaker. Featuring unique simplified controls comprising a single switch and just one dial. A five valve version also available.
- Author
- Model page created by Clive Forder. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from MPA (M.P.A.) Wireless Ltd.; London