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R-399 ; Goodrich, B.F.; (ID = 704199) Radio
R-399 ; Goodrich, B.F.; (ID = 704200) Radio
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R-399 ; Goodrich, B.F.; (ID = 704199) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Goodrich, B.F.; Akron,Ohio
Year: 1940 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A7 6D6 75 41 80
Main principle Super-Heterodyne (Super in general); ZF/IF 456 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
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: R-399 - Goodrich, B.F.; Akron,Ohio
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 12 = ca. 1941 and before

All listed radios etc. from Goodrich, B.F.; Akron,Ohio
Here you find 110 models, 50 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.