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C439B Ch= 419B

Country:  Australia
Manufacturer / Brand:  Columbia Gramophone (Aust.) Pty. Ltd.; Sydney
Year: 1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 1A7G 1N5G 1H5G 1Q5G
Main principle Superheterodyne (common); ZF/IF 460 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 90 & 1.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Model: C439B Ch= 419B - Columbia Gramophone Aust. Pty.
Material Bakelite case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Notes This model uses the same chassis as the HMV model 41.
Literature/Schematics (1) Radio & Electrical Retailer, Australia (20/8/42 P11 Also in Mingay's Radio Diagram & I.F. Index)

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

All listed radios etc. from Columbia Gramophone (Aust.) Pty. Ltd.; Sydney
Here you find 6 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.