Superfone Maxum III model 3
Radio Supply Co.; Birmingham
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Radio Supply Co.; Birmingham
- Year
- 1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 205366
- Number of Tubes
- 3
- Valves / Tubes
- 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
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Superfone Maxum III [model 3] - Radio Supply Co.; Birmingham
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 15 x 16 x 17 inch / 381 x 406 x 432 mm
- Notes
- Reflex receiver. HF valve with tuned anode, grid-leak detector, transformer-coupled LF valve. Wave range 200-500 and 1000-2000 metres. Enclosed frame aerial. Built-in cone loudspeaker. Mahogany cabinet.
- Net weight (2.2 lb = 1 kg)
- 21 lb (21 lb 0 oz) / 9.534 kg
- Price in first year of sale
- 13.00 GBP
- Source of data
- Wireless World (The), London (WW, 79)
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 9 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Radio Supply Co.; Birmingham