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   rec.audio.tubes      Tube-based amplifiers... that go to 11      52,877 messages   

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   Message 51,071 of 52,877   
   François Yves Le Gal to Richard   
   Re: Testing KT88 for customer satisfacti   
   07 Sep 10 15:30:15   
   
   From: flegal@domaine.tld.invalid   
      
   On Tue, 07 Sep 2010 09:23:09 +0100, Richard  wrote:   
      
   >Model 650 manual does not tell what the leakage tests are exactly   
      
   Check Fig. 6. The DUT is biased into cutoff, any leakage/grid emission will   
   be picked by the 6AT6 (in the 650, but you can use silicon 747-style), will   
   develop across the plate R and measured.   
      
   Check the 747 manual, Fig. 4 shows how shorts are measured and Fig. 9 the   
   whole enchilada.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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