Madrigal Band Pass Three
Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London
- Year
- 1931
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 245899
The Wireless World, February 24th, 1932.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration
- 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: Madrigal Band Pass Three - Radio Instruments Ltd. &
- Shape
- Console, Lowboy (legs < 50 %).
- Notes
-
Band-pass tuner followed by one HF stage coupled to tuned grid circuit of detector. Choke-filter fed LF transformer. Combined choke and transformer coupling between pentode output valve and low-impedance moving-coil speaker. Single dial control. Moving-coil loudspeaker with field winding used as a smoothing coil. Gramophone and radio volume control combined. Provision for mains aerial.
- Price in first year of sale
- 35.00 £
- Mentioned in
- Wireless World (The), London (WW, 79) (February 24th, 1932)
| Article in Wireless World, February 24th, 1932 | 975 KB |
- Documents regarding this model
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 49 models, 43 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London