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Sparton 46P Police Receiver

Sparton 46P Police Receiver ; Sparks-Withington Co (ID = 678321) Car Radio
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Sparton 46P Police Receiver ; Sparks-Withington Co (ID = 678321) Car Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Sparks-Withington Co., (Sparton); Jackson, Michigan
Year: 1936 Type: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 5: 78 36 78 75 42
Principle Superhet with RF-stage; ZF/IF 172.5 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Police (only 50-200m).
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)
Power out
from Model: Sparton 46P Police Receiver - Sparks-Withington Co., Sparton
Material Metal case
Shape Chassis only or for «building in»
Notes Police band around 2200kc; battery eliminator to supply from car battery.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before
Mentioned in Rider's 9-1

All listed radios etc. from Sparks-Withington Co., (Sparton); Jackson, Michigan
Here you find 654 models, 283 with images and 586 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.