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501 (not Radiogram)

501 ; His Master's Voice (ID = 24657) Radio
 
501 ; His Master's Voice (ID = 24658) Radio
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501 ; His Master's Voice (ID = 24657) Radio
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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: MS4B MH4 MPT4 U10
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Alternating Current supply (AC) / 95 - 260 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: 501 - His Master's Voice Masters,
Material Wooden case
Shape Tablemodel, with any shape - general.
Notes It seems that the Marconi - His Master's Voice model 501 was available with and without record player. They have the same chassis as the Marconiphone 42 table radio.
External source of data E. Erb 3-907007-36-0
Circuit diagram reference Die «Thali Schemasammlung» führt das Modell.


All listed radios etc. from His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
Here you find 402 models, 283 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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