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521-DC

Country:  Great Britain (UK)
Manufacturer / Brand:  His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
Year: 1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: MS4 MS4 MHL4 PT625
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands Broadcast (MW) and Long Wave.
Details Record Player (not changer)
Power type and voltage Direct Current supply (DC) / 190-250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 521-DC - His Master's Voice Masters,
Material Wooden case
Shape Console, Lowboy (legs < 50 %).
Notes See also HMV 521 AC mains model.
Mentioned in Wireless World (The), London (WW, 79) (June 3rd, 1931)
Literature/Schematics (1) Radio Marketing Service Engineer
Documents regarding this model
  Article in Wireless World, June 3rd, 1931 753 KB

Model page created by Howard Craven. See "Data change" for further contributors.



All listed radios etc. from His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
Here you find 395 models, 283 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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