Which tubes do I change??

My preamp uses both 12AT7's and 12AX7's tubes. I've installed Gold Lions,
and after a couple hundred hours of play, I feel that the bass is a bit boomy.
Which of the aforementioned tubes would you recommend changing?

markj94102-10-2018 4:58pm

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rauliruegas Details Discussions Posts This discussion Message User 12,786 posts 02-14-2018 at 08:29pm Copy Comment URL Report Comment Edit Delete Dear @markj41: All. Put on sale your Jolida and buy a SS preamp. Tubes are not for audio home system MUSIC reproduction no matter what. Period. Sop to degrade your digital recordings. Regards and enjoy the MUSIC NOT DISTORTIONS, R.
markj941 OP Details Discussions Posts This discussion Message User 52 posts 02-14-2018 at 09:17pm Copy Comment URL Report Comment Edit Delete I'm also listening to vinyl. Probably 35% vinyl 65% digital.
billstevenson Details Discussions Posts This discussion Message User 340 posts 02-16-2018 at 09:17pm Copy Comment URL Report Comment Edit Delete Dear @markj41: All. Put on sale your Jolida and buy a SS preamp. Tubes are not for audio home system MUSIC reproduction no matter what. Period. Sop to degrade your digital recordings. Regards and enjoy the MUSIC NOT DISTORTIONS, R. There is only one thing wrong with your advice Raul, it does not take into account the element of taste. Some people prefer a Bordeaux, some a Riesling, whatever. It is all good. Regards, Bill

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