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4B-170

4B-170 ; Allied Radio Corp. (ID = 243268) Radio
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4B-170 ; Allied Radio Corp. (ID = 243268) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)
Year: 1950 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 1A7GT 1N5GT 1H5GT 3Q5GT
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Line / Batteries (any type) / 110-120 AC/DC / 9 & 90 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: 4B-170 - Allied Radio Corp. Knight,
Shape Portable set > 8 inch (also usable without mains)
Notes Selenium Rectifier.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 18 = 1949 and before


All listed radios etc. from Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)
Here you find 972 models, 570 with images and 641 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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