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21 Ch= 518B

21 Ch= 518B; His Master's Voice (ID = 754249) Radio
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21 Ch= 518B; His Master's Voice (ID = 754249) Radio
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Country:  Australia
Manufacturer / Brand:  His Master's Voice (HMV, H.M.V.), EMI (Australia) Ltd.; Sydney, NSW
Year: 1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 1C7G 1F7G 1F7G 1H4G 1J6G
Main principle Super-Heterodyne (Super in general); ZF/IF 460 kHz; 3 AF stage(s); Reflex
Tuned circuits 8 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Radiomuseum.org Model: 21 Ch= 518B - His Master's Voice HMV, H.M.V.
Shape Tablemodel, with any shape - general.
Notes The 2nd 1F7G is reflexed as the 2nd I.F. amplifier and the 1st I.F. amplifier.
Circuit diagram reference Australian Official Radio Service Manual Vol. I I
Literature/Schematics (1) Radio Trade Annual 1939 P241.

Model page created by Stuart Irwin. See "Data change" for further contributors.



All listed radios etc. from His Master's Voice (HMV, H.M.V.), EMI (Australia) Ltd.; Sydney, NSW
Here you find 524 models, 264 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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