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Delco RA-3

Delco RA-3 ; United Motors (ID = 466505) Radio
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Delco RA-3 ; United Motors (ID = 466505) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  United Motors Service (Delco)
alternative name
Delco Radio Corp. (Appliance) || Delco-Remy Division, General Motors Corp. || United Motors Service Delco General Motors
Chieftain || Delco
Year: 1930 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 36 36 36 36 38 38
Main principle TRF without regeneration; Screengrid 1926-1935
Tuned circuits 4 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries / 32 & 68 & 140 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: Delco RA-3 - United Motors Service Delco
Notes Farm radio. 32 V for A and speaker field (farm DC). Dry batteries for B 68 V and 140 V.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before

All listed radios etc. from United Motors Service (Delco)
Here you find 577 models, 312 with images and 548 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.