I would like to learn your opinion and experience with KT120 tubes.
Considering that KT120 match 6550 or KT88 based amp (is a direct replacement), how do you like the sound of KT120? Do we still need 6550 or KT88 tubes? Do we still need to pay for NOS power tubes?
BTW at the moment a KT150 tube is announced. Should be even better than KT120 and could be interesting upgrade for current KT120 owners.
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