XPost: sci.electronics.design   
      
   What is the most powerful audio output tube, as far as RMS wattage   
   output?   
      
   I have gotten some powerful sound from four 6L6 tubes in push-pull   
   parallel. but I want more. I know it's possible to use eight 6L6 tubes,   
   which I believe is called " push-pull parallel - parallel", but I'm   
   looking into other possible tubes.   
      
   At one time, I thought the 807 tube was more powerful than the 6L6, but   
   after careful research, it's almost identical, but with a different   
   envelope (plate on the top cap).   
      
   I'm looking to get a full 500W RMS (or more) output (per channel), from   
   all tubes, .... With four 6L6 tubes in PPP, I can only get around 120W   
   RMS (per channel).   
      
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