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268 ; Patterson Radio Corp (ID = 646555) Radio
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268 ; Patterson Radio Corp (ID = 646555) 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 6: 6K7 6A8 6K7 6B8 6G5 6V6G
Main principle Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from Model: 268 - Patterson Radio Corp.; Los
Notes Covers 550 kHz to 18.0 MHz in 4 bands. Tuning eye. Self-rectifying vibrator.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before
Mentioned in Rider's 9-3, 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.