@BoredStupid I'd wait until the sound degrades to replace them. If you can't find kt-120's you can use kt-88's in that amp. Just remember to re bias whenever you replace tubes and then again after burn in.
@BoredStupid I'd wait until the sound degrades to replace them. If you can't find kt-120's you can use kt-88's in that amp. Just remember to re bias whenever you replace tubes and then again after burn in.
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