Tubes Asylum

• Re: A 12ax7 is not a direct sub for a 12au7. Try a good vintage tube like ... - beppe61 05:55:09 02/14/07 (2)
  In Reply to: A 12ax7 is not a direct sub for a 12au7. Try a good vintage tube like ... posted by PureAudio on February 14, 2007 at 05:09:34:

  Thank you very much Sir for your very kind and helpfuld advice.
  Actually I felt that an 12ax7 in 12au7 was not a smart move.
  Nevertheless I have been impressed by the result.
  Maybe the original 12au7 is quite bad.
  As I said the duty for the selected 12au7 is that of a buffer.
  Actually I am putting down a list of very good 12au7 tubes.
  Is there the problem of "fake" pieces with them as with Telefunken NOS tubes ?

  Thank you so much sincerely.
  Kind regards,

  beppe

  
  
  

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  • beppe: If it was me and I wanted to experiment with tube 'flavors', I'd ... - PureAudio 06:16:59 02/14/07 (1)
    In Reply to: Re: A 12ax7 is not a direct sub for a 12au7. Try a good vintage tube like ... posted by beppe61 on February 14, 2007 at 05:55:09:

    ... pick up 4 or 5 common 12au7 variants (5963, 5814a, 12au7a, ecc82, ...) on ebay for a few dollars apiece and see what caught my attention. The different influences of the particular tube on your music will be noticed.

    I'd look for a seller that had several of these tubes and do a 'combined shipping' deal to save money on postage. For $25, you can get a nice assortment of good used tubes to try. If you find one you particularly like, you can then buy a true NOS of that variety.

    That's what I'd consider doing, anyway. Have fun!
    
    

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    • Re: beppe: If it was me and I wanted to experiment with tube 'flavors', I'd ... - beppe61 00:23:41 02/15/07 (0)
      In Reply to: beppe: If it was me and I wanted to experiment with tube 'flavors', I'd ... posted by PureAudio on February 14, 2007 at 06:16:59:

      
      Thank you Sir but I have already settled for a more energetic sound.
      So I am looking for a very "aggressive" 12au7 tube.
      If this kind of tube does exist.

      Thank you very much indeed.
      Kind regards,

      beppe
      
      

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