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75-AW ; Patterson Radio Corp (ID = 641490) Radio
75-AW ; Patterson Radio Corp (ID = 641500) Radio
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75-AW ; Patterson Radio Corp (ID = 641490) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6A7 6D6 6B7 6A6 42 42 80
Main principle Superheterodyne (common); ZF/IF 458 kHz; 2 AF stage(s)
Tuned circuits 8 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from Model: 75-AW - Patterson Radio Corp.; Los
Notes BC (550-1500 kHz), TROP (1600-4500 kHz), 4.5-12.0 MHz) and 11.0-22.0 MHz) bands. BC band with bandfilter input circuits. Push-pull audio amplifier. A model 75-AW-A exists too.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before
Mentioned in Rider's 8-1, 8-3

All listed radios etc. from Patterson Radio Corp.; Los Angeles
Here you find 111 models, 43 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.