JAN 12AT7 - PI

Talk about tubes and their effect on your tone

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rarebitusa
Mark II
Posts: 101
Joined: Mon Oct 08, 2018 10:15 am

JAN 12AT7 - PI

Post by rarebitusa » Tue Jan 11, 2022 7:37 pm

For years I tried to clean up Ch 1 in my IIC+, but there always was a content of mid to low freq dist that just couldn't get dialed out completely, no matter how far down the gain or the treb was set... it wasn't a show stopper so just kinda lived with it. However if I ran the IIC+ preamp into my Mark V:90 power amp it was a different story, very clean and articulate. Figured the preamp was fine. It really wasn't until recently, reading a few old posts here WRT to tubes that I got to trying an 12AT7 in the PI.

Well that finally solved it and have noticed no loss of gain with other settings or changes in playing dynamics. AFA I can tell it's a win-win.

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