- Country
- Great Britain (UK)
- Manufacturer / Brand
- Invicta Radio Ltd.; Cambridge, London
- Year
- 1936
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 200063
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration; 1 AF stage(s)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC) / 200-250 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: CW37/AC - Invicta Radio Ltd.; Cambridge,
- Shape
- Tablemodel, with any shape - general.
- Notes
-
A special 100-120v AC mains option was available.
Separate Reaction control as well as "Volume" control by V1 (VP4B) bias adjustment.
Scale lamp.
WARNING: The optional "Mains" aerial connection is to live mains via 1nF. This should be a 1kV "Y" safe type. C13 is 10nF from potentially live mains to "Earth" and should also be a "Y" safe type.
- Price in first year of sale
- 8.40 GBP
- Literature/Schematics (1)
- Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (99)
- Author
- Model page created by Howard Craven. See "Data change" for further contributors.
- Other Models
-
Here you find 117 models, 68 with images and 82 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Invicta Radio Ltd.; Cambridge, London