Rolls 3-valve with built-in loudspeaker
Hoare & Jagels, London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Hoare & Jagels, London
- Year
- 1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 205327
- Number of Tubes
- 3
- Valves / Tubes
- Main principle
- TRF with regeneration
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- from Radiomuseum.org
- Model: Rolls 3-valve [with built-in loudspeaker] - Hoare & Jagels, London
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 14.5 x 11.5 x 7.5 inch / 368 x 292 x 191 mm
- Notes
- Grid-leak detector, two transformer-coupled LF valves. Wave range 250-600 metres. Built-in Celestion loudspeaker. Internal frame aerial.
- Net weight (2.2 lb = 1 kg)
- 23 lb (23 lb 0 oz) / 10.442 kg
- Price in first year of sale
- 23.00 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 4 models, 0 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hoare & Jagels, London