jj kt88 or electro harmonix kt88?

[eulogy77]

hello there fellow bassists, im currently on the process of retubing my ampeg svt 2 pro, im deciding on either the jj kt88 or the electro harmonix kt88, have any one have had experince with one or both of these tubes, im curently using vintage GE 6550 wich sound great but, im going for a bit more growl as i use a warwick thumb bo, im going to sell the GEs to help finance the sextet of either one of them, any oppinion or where can i find real users reviews would be greatly apreciated

[RickenBoogie]

I'm no tube guru, but when my tech replaced my stock Mesa branded tubes in my Buster to JJ's, the difference was atounding. I'm now a big fan of those JJ's. Of course, my amp uses 6L6's, but just the same,.......