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

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   Message 52,583 of 52,877   
   Peter Wieck to All   
   Re: GZ34   
   23 Apr 17 14:46:31   
   
   From: pfjw@aol.com   
      
   The answer is pretty basic as you found:   
      
   Modern off-shore 5AR4s are crap. They will not pass enough clean DC current   
   for the amp(s) to operate properly.   
      
   There are after-market solid-state 5AR4s which are adequate, far better than   
   the Chinese/Russian garbage. Search for "WEBER COPPER CAP", and you will find   
   the one with the best reputation *and* a built-in delay.   
      
   And there are delay boards (15 seconds is suggested) that may be had as well.   
   Neither of these devices likes short-cycling, so do understand that before   
   investing in them.   
      
   The most common mod on the Weber is to remove the cover, ventilate it, and   
   then put it back. They get HOT!   
      
   Peter Wieck   
   Melrose Park, PA   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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