Polar Four
Wingrove & Rogers (Polar), London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Wingrove & Rogers (Polar), London
- Year
- 1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 204981
- Number of Tubes
- 4
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Polar Four - Wingrove & Rogers Polar,
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 22 x 9 x 7 inch / 559 x 229 x 178 mm
- Notes
- Grid-leak detector, three resistance-capacity-coupled LF valves. Wave range 250-5000 metres. Mahogany cabinet. Complete with all accessories and loudspeaker.
- Price in first year of sale
- 35.00 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 5 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Wingrove & Rogers (Polar), London