Delco R-642

Delco R-642; United Motors (ID = 779255) Car Radio
Delco R-642; United Motors (ID = 779256) Car Radio
Delco R-642; United Motors (ID = 779257) Car Radio
Delco R-642; United Motors (ID = 208823) Car Radio Delco R-642; United Motors (ID = 1030543) Car Radio
Delco R-642; United Motors (ID = 1031153) Car Radio
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Delco R-642; United Motors (ID = 208823) Car Radio
United Motors: Delco R-642 [Car Radio] ID = 208823 305x338
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For model Delco R-642, United Motors Service (Delco)
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: 1937 Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 6K7 6J7 6K7 6Q7 6F6 6X5
Main principle Superhet with RF-stage; ZF/IF 262 kHz
Wave bands Broadcast only (MW).
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Model: Delco R-642 - United Motors Service Delco
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 10.7 x 8 x 6 inch / 272 x 203 x 152 mm
Notes vibrator for +B;
Price in first year of sale 51.50 $
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before
Mentioned in Radio Retailing (Radio & Television R.) (February, March 1937.)
Literature/Schematics (1) 1938 Radolek Catalog

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.