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328 Ch= A557DM

Country:  Australia
Manufacturer / Brand:  His Master's Voice (HMV, H.M.V.), EMI (Australia) Ltd.; Sydney, NSW
Year: 1948–1950 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 1C7G 1M5G 1K7G 1K7G 1L5G
Main principle Super-Heterodyne (Super in general); ZF/IF 457.5 kHz; 2 AF stage(s)
Tuned circuits 8 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
Loudspeaker 2 Loudspeakers
Power out
from Model: 328 Ch= A557DM - His Master's Voice HMV, H.M.V.
Material Wooden case
Shape Console, Lowboy (legs < 50 %).
Dimensions (WHD) 32 x 29.5 x 12 inch / 813 x 749 x 305 mm
Notes This model has a 10 inch woofer and a 6 inch tweeter, both permanent magnet. It uses a synchronous vibrator power unit.
Net weight (2.2 lb = 1 kg) 61 lb (61 lb 0 oz) / 27.694 kg
Price in first year of sale 59.85 AUS £
Circuit diagram reference Australian Official Radio Service Manual Vol. VII
Literature/Schematics (1) - - Manufacturers Literature (HMV Service Manual, Table Model 268 & Console Model 328.)
Literature/Schematics (2) Australian Official Radio Service Manual AORSM (Volume 7, 1949, Page 193.)

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.