- Country
- Great Britain (UK)
- Manufacturer / Brand
- Beethoven (Brand), Montague Radio Inventions, Beethoven Radio, Beethoven Electric Equipment; London, Manchester
- Year
- 1929
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 77445
- Number of Tubes
- 4
- Main principle
- TRF with regeneration
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries / 4 & ? Volt
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Screen Grid Four SG2730 - Beethoven Brand, Montague
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 14.5 x 19.25 x 9 inch / 368 x 489 x 229 mm
- Notes
-
Cabinet similar to the 5-Valve Portable, but with different speaker grille and two large vernier dials.
- Source of data
- Radio! Radio!
- Literature/Schematics (1)
- Mullard Valve Replacement Guide 1933 to 1949
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 46 models, 23 with images and 26 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Beethoven (Brand), Montague Radio Inventions, Beethoven Radio, Beethoven Electric Equipment; London, Manchester