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In Reply to: RE: Tube rolling preamp or power amp gain tubes, which ones (or both)? posted by airtime on January 16, 2017 at 18:12:19
I find the preamp tubes have slightly more effect on sonics. But, both preamp & power amp tubes are important. Even the rectifier tube makes a difference & I do not know why.
Follow Ups:
Sony, not picking on you but it seems there is a lot of it that goes on but people want to contribute.
Face it tube rolling can get expensive quickly. There are also many variables that change with each listeners equipment, room, source input etc. I would suggest in a different manner than put forth earlier, that the OP figure out just what he prefers as far as signal input(turntable, CD, streamed music) then begin with that circuit of the preamp, IE line in, phono, etc. then work from there. Do one change at a time and get comfortable with it. What you may find as a miraculous improvement in one instance can wear on you a few days later. At some point undo your change and listen again.
Of course the search function of the asylum can be a wonderful resource to hear others opinions on differing tubes. Also these days, DO NOT dismiss modern iterations of tubes available. I stll think the Sovtek 12ax7LPS is the best phono input tube available. You can't beat the price!
Uncle Mike. I want best sound for my amps. I need to roll all tubes. I have progressed over the last 20 years. Any tube amp does not get it. In fact, only DIY for me.
A lot of people are just parroting the "vintage tubes are better" argument. There are many EXCELLENT new production tubes out there. Some, and I'm not going to mention MY opinion again, are just as good or maybe even better than their famed vintage heritage.
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