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128 ; Patterson Radio Corp (ID = 645219) Radio
128 ; Patterson Radio Corp (ID = 1630335) Radio
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128 ; Patterson Radio Corp (ID = 1630335) Radio
Patterson Radio Corp: 128 [Radio] ID = 1630335 725x933
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For model 128, Patterson Radio Corp.; Los Angeles
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: 6A8 6K6 6K7 6K7 6U5 6H6 6C5 6C5 6C5 6F6 6F6 5Y3
Main principle Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 8 AM circuit(s)
Wave bands Broadcast plus 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 128 - Patterson Radio Corp.; Los
Notes Bandfilter input (tuned circuit #9) for BC band. Tuning eye, 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 9-2, 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.