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rec.audio.tubes

Tube-based amplifiers... that go to 11

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Message 51,438 of 52,877

Phil Allison to All

Re: QUAD [1] Original booklet reproduced

18 Jun 11 16:43:01

   From: phil_a@tpg.com.au   
      
   "John L Stewart"   
      
   >> John. the STA25 is he   
   >>   
   >> http://www.freeinfosociety.com/electronics/schemview.php?id=2362   
      
      
   ** Look, look, lookie  -  there is a filter choke in the PSU that feeds the   
   OP tranny.   
      
    So noooooo  amplitude modulation  !!!   
      
   And no stupid, damn zener diode in the bias supply.   
      
   BTW:   
      
   One of these came across my bench back in 1980 for a full overhaul.   
      
      
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)

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