This was just posted on the link indicated, thought it was interesting. FYI...
http://diyaudioprojects.blogspot.com/2008/09/ultra-linear-6t9-diy-tube-amplifier.html
That was Mark's UL version. He also did a standard build too:
http://diyaudioprojects.com/Tubes/6T9-Tube-Amp-Kit/
That was Mark's UL version. He also did a standard build too:
http://diyaudioprojects.com/Tubes/6T9-Tube-Amp-Kit/
Are we considering this as the final culmination of the project, or is there going to be more development?