- Country
- Great Britain (UK)
- Manufacturer / Brand
- Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
- Year
- 1934/1935
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 17832
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; ZF/IF 120 kHz
- Tuned circuits
- 8 AM circuit(s)
- 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)
- from Radiomuseum.org
- Model: 291 AC - Marconi Co. Marconiphone,
- Notes
- The Marconi model 291 AC uses 2 metal rectifier diodes for AVC and demodulation.
- External source of data
- E. Erb 3-907007-36-0
- Circuit diagram reference
- Die «Thali Schemasammlung» führt das Modell.
- Other Models
-
Here you find 501 models, 334 with images and 317 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)