doctorcilantro Posted December 1, 2007 Share Posted December 1, 2007 (3) KT-90 EI Type III from Upscale Audio. Matched quad but my PC keyboard fell & broke one while I had the cages off my Quicksilver amps. These have a max of 200 hours on them, killer tubes that are as good as the type I & II. Fully tested by Upscale Aduio in Tubezilla and matched by them. 170$ shipped Quote Link to comment Share on other sites More sharing options...
Guest " " Posted December 1, 2007 Share Posted December 1, 2007 bummer on the keyboard issue..... Quote Link to comment Share on other sites More sharing options...
artto Posted December 2, 2007 Share Posted December 2, 2007 This a good deal folks. KT90/99 are way stronger, and better sounding (IMO) than KT88. Run these in triode for a tasty treat. Why are you selling these anyway? Upscale should be able to sell you one with similar matched value as the broken one. Doesn't the Quicksilver have bias/balance adjustment? If so, it really shouldn't make any difference to replace one with only 200 hours on them. Quote Link to comment Share on other sites More sharing options...
doctorcilantro Posted December 3, 2007 Author Share Posted December 3, 2007 Kevin is low on these tubes...the closest match he has is too far off in bias. I'd keep them but I'm hoping somone has a need for three, I don't. I wish I could keep them or find a match for these, I think these are all matched to a bias of around 48. DC This a good deal folks. KT90/99 are way stronger, and better sounding (IMO) than KT88. Run these in triode for a tasty treat. Why are you selling these anyway? Upscale should be able to sell you one with similar matched value as the broken one. Doesn't the Quicksilver have bias/balance adjustment? If so, it really shouldn't make any difference to replace one with only 200 hours on them. Quote Link to comment Share on other sites More sharing options...
fini Posted December 3, 2007 Share Posted December 3, 2007 Doesn't Kevin sell these for $59 each? Maybe there's a premium for matching? Set me straight here... Quote Link to comment Share on other sites More sharing options...
doctorcilantro Posted December 21, 2007 Author Share Posted December 21, 2007 Sorry for the delay, I've been real busy. Like I said he is low on these tubes, but you're right he does sell them for 59$. I didn't mean to list them that high; maybe I had four tubes on the brain...I only have three! I'll offer anyone here 130$ with free shipping in original boxes. Sound better? thanks Jon Quote Link to comment Share on other sites More sharing options...
doctorcilantro Posted December 27, 2007 Author Share Posted December 27, 2007 xmas bumpo Quote Link to comment Share on other sites More sharing options...
Coytee Posted December 27, 2007 Share Posted December 27, 2007 I'll add a comment that I bought some KT-90's when I had my little Jolida amp. Someone on the forum had made this suggestion. After a slight rebias, they WERE a more "stout" tube, offering a bit more bold bottom end than the stock tubes did. I definately liked the change in tubes. Quote Link to comment Share on other sites More sharing options...
doctorcilantro Posted January 2, 2008 Author Share Posted January 2, 2008 bump Quote Link to comment Share on other sites More sharing options...
Guest srobak Posted January 2, 2008 Share Posted January 2, 2008 Correct section bumpo http://forums.klipsch.com/forums/74.aspx Quote Link to comment Share on other sites More sharing options...
doctorcilantro Posted January 2, 2008 Author Share Posted January 2, 2008 Thanks! I wasn't aware of that section... Admin please delete this thread... DC Quote Link to comment Share on other sites More sharing options...
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