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30 ; Halson Radio Mfg. Co (ID = 424468) Radio
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30 ; Halson Radio Mfg. Co (ID = 424468) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Halson Radio Mfg. Co.; New York City (NY)
Year: 1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 6A7 6D6 75 25L6G 25Z5 25Z5 L15B
Main principle Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast plus 2 Short Wave bands.
Power type and voltage AC/DC-set / 115; 135; 150; 220; 250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 30 - Halson Radio Mfg. Co.; New
Notes BC (540-1735 kHz), SW1 (2.3 - 7.5 MHz) and SW2 (7.5-24.0 MHz) bands. For 135, 150, 220 & 250 V operation use L15BX ballast tube.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before

All listed radios etc. from Halson Radio Mfg. Co.; New York City (NY)
Here you find 105 models, 35 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.