3-Valve All Mains Bandpass Receiver
Co-operative Wholesale Society (CWS) - Defiant; Manchester
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Co-operative Wholesale Society (CWS) - Defiant; Manchester
- Year
- 1933
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 331059
-
- Brand: Defiant
- Number of Tubes
- 4
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 3-Valve All Mains Bandpass Receiver - Co-operative Wholesale Society
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
-
A 3-Valve All Mains Bandpass Receiver, incorporating a variable-mu HF stage, screened grid detector, pentode output valve, with valve rectifier. Mains energised moving coil loudspeaker, illuminated single dial tuning, calibrated in wavelengths 200-550 and 900-1900 metres. It is fitted with a combined volume control and on-off switch. Sockets are provided for gramophone pick-up. The mains aerial device permits the receiver to be used without an external aerial on the more powerful stations. Price in 1933 £9 15s 0d.
- Price in first year of sale
- 9.75 £
- Mentioned in
- -- Original-techn. papers. (The Producer article December 1933 Defiant 3 and 5 valve receivers)
- Author
- Model page created by Howard Craven. See "Data change" for further contributors.
- Other Models
-
Here you find 123 models, 74 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Co-operative Wholesale Society (CWS) - Defiant; Manchester