[Hallicrafters] SX-28 mod

[HallicrafterSX28 at aol.com]

On second thought the 6AL5 diode could also be providing separation of the  
AVC function from the second detector stage.(In  the original design the  AVC 
voltage for the IF amplifier is derived from the 2nd detector),or also for  
delayed AVC.
Nick
 



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