G.R.C. 15
General Radio Co. Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- General Radio Co. Ltd.; London
- Year
- 1926
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 77270
- Number of Tubes
- 2
- 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 / 2 & 50 & 100 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: G.R.C. 15 - General Radio Co. Ltd.; London
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 11.5 x 8.5 x 8.75 inch / 292 x 216 x 222 mm
- Notes
-
First valve: detector with reaction, second valve: LF amplifier with transformer coupling to the first valve.
The aerial tuning coil consists of single layer of enameled wire on a cylindrical Paxolin former. This circuit is tapped at three points: "short waves", "medium waves" and "long waves." Wavelenghts covered: 250-2,400 metres. Price includes connecting material, headset, loudspeker, valves and batteries.
Negative grid bias is derived from the negative end of the H.T. battery.
- Price in first year of sale
- 12.00 £
- Mentioned in
- Radio! Radio!
- Literature/Schematics (1)
- Wireless World (The), London (WW, 79) (March 9th, 1927)
Article in Wireless World, March 9th, 1927 | 640 KB |
- Documents regarding this model
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 15 models, 9 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from General Radio Co. Ltd.; London