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212 ; Patterson Radio Corp (ID = 646520) Radio
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212 ; Patterson Radio Corp (ID = 646520) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 12: 6K7 6A8 6K6 6K7 6E5 6K7 6J7 6C5 6Q7 6V6 6V6 5Y3
Main principle Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 9 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 110; 220 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 212 - Patterson Radio Corp.; Los
Notes Covers 550 kHz to 18.0 MHz in 4 bands. Tuning eye, BFO. Push-pull audio amplifier.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before
Mentioned in Rider's 9-4, 9-5, 9-6

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.