- Country
- Great Britain (UK)
- Manufacturer / Brand
- HMV (Brand), His Masters Voice, The Gramophone Company Ltd.; Middlesex
- Year
- 1936
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 78566
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 125 kHz; 2 AF stage(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)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 425 - HMV Brand, His Masters Voice,
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 15.5 x 18 x 10.75 inch / 394 x 457 x 273 mm
- Notes
- Similar to the Marconiphone 209 model.
- Source of data
- Radio! Radio!
- Literature/Schematics (1)
- Trader sheet 675
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 425 models, 335 with images and 242 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from HMV (Brand), His Masters Voice, The Gramophone Company Ltd.; Middlesex