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RE: KT 120 Tubes in Yaqin MC-100B Amp

Posted by ChopperCharles on January 5, 2017 at 07:58:27:
I know this is an ancient post, but I wanted to reply to get the information out there. I've been running KT120s in my MC-100B for over a year now with no problems. Transformers are warm but not hot to the touch. Tubes are hot as blazes, but no problems with them. I'm biased at 1.0v, anything less than that and the bass starts to break up at higher volumes. The sound of the KT-120s is... well, like someone flipped the loudness switch on. Much more bass available than the JJ Tesla KT88s I was running. Overall I'm quite pleased, but the sound will not be for everyone. With bass-heavy music like Daft Punk, things start to sound muddy, and it's because I'm finding it's easy to drive my Vandersteen 1Bs into over-extension even at lower volume levels. But for rock and blues the 120s shine!

Charles.