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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 70,777 of 72,318   
   Phil Allison to et...@whidbey.com   
   Re: Tube amp question   
   10 Oct 18 16:13:05   
   
   From: pallison49@gmail.com   
      
   et...@whidbey.com wrote:   
   >   
   >   
   > I see lots of tube amps with the tubes mounted such that they point   
   > down. This means all the heat rises up into the chassis. This seems   
   > counter-intuitive to me. All those components baking all the time. Is   
   > it just for convenience?   
   >   
      
   ** It is certainly not ideal, plus the tubes can overheat when mounted this   
   way too.   
      
   Octal types with plastic bases are prone to "bias creep" when the plastic base   
   begins to become conductive.   
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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