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250 AC Ext. Range

250 AC Ext. Range; Colonial Radio Co.; (ID = 718648) Radio
 
250 AC Ext. Range; Colonial Radio Co.; (ID = 718650) Radio
 
250 AC Ext. Range; Colonial Radio Co.; (ID = 718652) Radio
 
250 AC Ext. Range; Colonial Radio Co.; (ID = 718653) Radio
 
250 AC Ext. Range; Colonial Radio Co.; (ID = 718654) Radio
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250 AC Ext. Range; Colonial Radio Co.; (ID = 835483) Radio
Colonial Radio Co.;: 250 AC Ext. Range [Radio] ID = 835483 933x713
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For model 250 AC Ext. Range, Colonial Radio Co.; Long Island and Buffalo, NY
 
Country:  United States of America (USA)
Manufacturer / Brand:  Colonial Radio Co.; Long Island and Buffalo, NY
Year: 1933 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A7 78 75 41 84
Main principle Superheterodyne (common); ZF/IF 175 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 250 AC Ext. Range - Colonial Radio Co.; Long
Notes Extended range model.
Circuit diagram reference Rider's Perpetual, Volume 4 = ca. 1934 and before

Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.



All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY
Here you find 161 models, 70 with images and 129 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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