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New tubes in Rogue M-180 Monoblocks

I understand the M-180s now ship with the KT-120 power tubes, instead of the KT-80. You can also simply replace the KT-80 with the KT-120 if you already own these amps. I'm curious whether anyone has done it and what their impressions are as far as the difference in sound. Is the over $300 upgrade worth it?
actusreus

Showing 2 responses by mechans

mechans
3,048 posts
 
You mean the KT-88s or the KT-90. It might help some who want to weigh in the subject.
I too have read only good things about the TS KT-120s but I haven't heard them. There is a lot of praise for some output tubes I found I don't like the sonics of.
mechans
3,048 posts
 
I can say that my experience with KT-90s was not good , either. They didn't last long at all and when one blew it took out a resistor, burned a wire, and a fuse, in the amp I was using- not a Rogue. It was enough to keep me away from them more or less permanently. I am curious about the KT-120 and will ask Jadis if I can use it in the DA-60. I have a feeling they won't endorse it.The trannys on a DA 60 are big and probably could manage it but repairs on an older Jadis are Tre Expensive.
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