My Qualiton X200 came with KT120's and sound very nice.
Decided to go KT170 and guess what the 120's are sitting in a box. I also have KT150's but prefer the 170.
KT88's I bought cheap are never going back in.
@decooney Yes Qualiton X200 by Audio Hungary. Each of these tubes has their own sound characteristics. KT 120 is a great all around tube for all types of music. KT170 and 150 I like for Jazz, Rock, Blues, really like the sound stage and upper end. KT88 I really enjoy with classical it is fuller sounding than the 120's
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