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RE: EL34 SE UL power amp with universal driver tube

138.130.52.161

In Reply to: RE: EL34 SE UL power amp with universal driver tube posted by Tre' on November 20, 2024 at 07:14:29

No tube is optimised but all tubes work well.
| retro-thermionic |

Follow Ups:

Define "work well" - Tre' 07:23:52 11/21/24 (2)
The differences between a 12ax7 and a 12au7 are vast. There is no circuit that will work well with both.

Do you have an understanding of operating points, load lines and the effects of those on gain and harmonic distortion?

Check the designers load lines. They are not pretty and certainly not optimized.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
- http://diyaudioprojects.com/Forum/viewtopic.php?p=38816#p388 (Open in New Window)
- RE: Define "work well" - mwhouston 14:05:44 11/21/24 (1)
  As Ive said the point is to roll and listen not to bogged down to one tube. So far its working well.
  | retro-thermionic |
  - RE: Define "work well" - Tre' 17:31:05 11/21/24 (0)
    And my point is there is no point in listening to a poorly design circuit that will not tell you much of anything about the capability of the tube(s).
    
    But it's a free country, do what makes you happy.
    
    Tre'
    Have Fun and Enjoy the Music
    "Still Working the Problem"

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