Check this article out guys, there's some really interesting info on Jimi's amps straight from the guy who worked on them.
http://www.musicplayer.com/article/the- ... ar-05/4046
I thought the thing about him switching out the el34s for 6550's was really interesting, not to mention the "extra high voltage plate" seem to sound particularly good to Jimi.
What do you guys think?