Try the Mullard 12AT7s from Upscale Audio, the gold pin versions. Otherwise call Vintage Tube Services, just be prepared to wait a good couple weeks to receive your tubes.
Constant noisy tubes maybe go solid state?
I have a Quicksilver Line Stage Preamp (12AT7) mated to an Odyssey Khartago Stereo. Overall I like it. Way too much gain but I digress. Weeks after receiving it I rolled in a few different tubes, kinda fun to color the sound signature. I liked rhe RXA black plates I got and those stuck around for more than a year. They started going microphonic and making noises so I ordered another pair (noisy) then another different vendor (blasts of white noise) and another set that arrived today (one is noisy as holy hell and one seems fine).
So where does one order preamp quality tunes that are quiet? Is there something I’m not requesting when ordering? Maybe dump
snd go solid state? I’m trying to be humorous because I’m pissed. Ha.
So where does one order preamp quality tunes that are quiet? Is there something I’m not requesting when ordering? Maybe dump
snd go solid state? I’m trying to be humorous because I’m pissed. Ha.
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Q) "So where does one order preamp quality tunes that are quiet? Is there something I’m not requesting when ordering?" A) Some tube mongers test their wares for noise (some don’t) and- typically, you must request the best, of those that do. At Upscale; they’re graded. Ask for their, "Platinum" or, "Kevins’ Stash" rated, for the quietest. ie: https://upscaleaudio.com/pages/test-equipment and: https://upscaleaudio.com/pages/grading-matching Brent Jessee Recording is another excellent source, for noise-tested valves. His method is outlined, on this page (second vid): http://www.audiotubes.com/12ax7.htm
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- 180 posts total