Autotune Receiver 722 AC
RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham
- Country
- Great Britain (UK)
- Manufacturer / Brand
- RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham
- Year
- 1938/1939
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 119112
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 200-250 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Power out
- 5 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Autotune Receiver 722 AC - RGD Brand, Radio Gramophone
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
- Motorised push button tuning. 7" x 11" elliptical speaker with field coil.
- Price in first year of sale
- 23.00 GBP
- Mentioned in
- -- Original-techn. papers.
- Author
- Model page created by Roy Johnson. See "Data change" for further contributors.
- Other Models
-
Here you find 148 models, 115 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham