Vintage Asylum

• RE: what driver tube to use when running PP Triode 6AQ5s? - Eli Duttman 17:18:52 01/11/17 (0)
  In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by bcguitar on January 11, 2017 at 11:35:42

  
  
  

  
  The key difference between the 'AQ5 and 6V6 is g2 fragility. Use a higher value resistance in connecting g2 to the plate and all will be well.
  
  I used the 12AT7 in "El Cheapo" as the driver and it is FINE. :> D
  
  Eli D.
  
  

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• RE: what driver tube to use when running PP Triode 6AQ5s? - sony6060 15:30:45 01/11/17 (0)
  In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by bcguitar on January 11, 2017 at 11:35:42

  
  
  

  
  Here is a triode PPP 6V6 I am building.
  

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• RE: what driver tube to use when running PP Triode 6AQ5s? - sony6060 12:58:42 01/11/17 (3)
  In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by bcguitar on January 11, 2017 at 11:35:42

  I like USA manufactured Raytheon 6CG7, but that lower gain tube needs a preamp. I use 1/2 a section of another Raytheon 6CG7 as a preamp. If using just one driver/phase splitter only, I would use a 12AT7. It has enough gain.
  

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  • RE: what driver tube to use when running PP Triode 6AQ5s? - bcguitar 13:06:16 01/11/17 (2)
    In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by sony6060 on January 11, 2017 at 12:58:42

    yea, I plan to use a preamp as the 6aq5 amp would just be a power amp
    

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    • RE: what driver tube to use when running PP Triode 6AQ5s? - sony6060 13:34:38 01/11/17 (1)
      In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by bcguitar on January 11, 2017 at 13:06:16

      You cannot beat USA manufactured Raytheon 6CG7 black plate, but are rare & almost all used are unbalanced due to hard use in TV sets. An alternate are Sylvania 6SN7GTA. The Sylvania have a hotter high frequency response, but extremely clear sounding vs other 6SN7s.
      
      Only 12AT7s I recommend are Sylvania 12AT7 triple mica grey plate or for a more neutral sound are Tung Sol 12AT7 black plate. Some are noisy, but quiet Tung Sol stay quiet.
      

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      • Thanks to you and Eli D! NT - bcguitar 17:46:23 01/11/17 (0)
        In Reply to: RE: what driver tube to use when running PP Triode 6AQ5s? posted by sony6060 on January 11, 2017 at 13:34:38

        .
        

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