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In Reply to: RE: upgrade OPT for TU-8200 posted by vkung on March 04, 2016 at 11:19:28
I was thinking either Gold Lion KT66's or Kt88's. Reading about some of the past psvane tubes having issues bothers me a bit. But thanks for the recommendation.
So the when will the larger Antene OPT's will be available for purchase, and what will be the price for the Antene's?
Thanks Victor.
Follow Ups:
I tried KT88's (new JJ's) the amp ran very hot (the bass was better). I stuck a big heat sink with heat transfer tape but opted to send the tubes back as it didn't seem to help much - I don't like very hot tube amps. The 8200 likes 6L6GC's, runs slightly warm, never hot. I opted to go the active subwoofer route (x2) with very good results. The bass improves over time, so be patient. I'm very happy with it. The IC's made a big difference as well - DIY, thin solid silver with minimalist RCA's. Good power cords also tightened the bass. It depends what you listen to and what your goal is.
If you buy your tube from a reliable source, you should be ok.
For the OPT, I am waiting the smaller Lundahl OPT. The price is more or less the same.
I have a friend that is letting me borrow a pair of kt90's and 6550's to compare against the KT88's I bought. He also said he has some kt120's he'll let me borrow.
Can I use the kt120 with the 8200?
Thanks
no, you cannot use kt120. kt120 requires higher current. you can use el34, 6l6gc, 6550c, kt88, k90
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