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

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   Message 51,997 of 52,877   
   GRe to Phil Allison   
   Re: favourable triode section   
   02 Feb 13 10:16:12   
   
   From: mynamespacedbydots@xs4all.nl   
      
   "Phil Allison"  wrote in message   
   news:an1q6uFm1udU1@mid.individual.net...   
   >   
   > "GRe"   
   >>   
   >> http://www.mif.pg.gda.pl/homepages/frank/sheets/010/e/ECC82.pdf   
   >>   
   >> With reference to the Remark on page-1 of the above datasheet,   
   >> does anybody know the reason?   
   >>   
   >   
   > ** Pin 5 is adjacent to the plate pin of the " favourable " triode while   
   > parallel connected heater pin 4 is adjacent to the cathode pin of the   
   > other triode.   
   >   
   > So any leakage from the 3.15VAC on pins 4 & 5 will not get amplified by   
   > the " favourable " triode.   
   >   
      
   OTOH, pin 9, with antiphase 3.15Vac, is adjacent to the cathode pin(8) of   
   the "favourable" triode.   
      
   What am I missing?   
      
   Rgds,   
   Gio   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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