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History of the radio manufacturer High Frequency Labs.


Back Models of High Frequency Labs. To the radio manufacturers overview

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Name: High Frequency Labs.    (USA)    
Abbreviation: high  
History: High Frequency Labs.; Chicago, Ill. - Trade names Isotone, Mastertone, Regent

     

Some models:
Ctry  Year  Name  1st Tube  Notes
USA  29  HFL Master Power Pack   280   
USA  29  SpecialNine     One dial (primary tuning control knob) 
USA  30  Mastertone 1929   27  Push-pull audio amplifier. 
USA  31  Mastertone 7 tubes     
USA  31  Mastertone 5 tubes     
USA  31  Mastertone 4 tubes     
USA  30  Mastertone new    One dial (primary tuning control knob) 
USA  29  Mastertone old  324  Push pull output. One dial (primary tuning control knob) 
USA  28  Isotone 10   UX280   
USA  28  Isotone     One dial (primary tuning control knob) 
USA  30  Special AC      
USA  30  9InLine      

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Further details for this radio manufacturer by the members (rmfiorg):


 
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