CJ Premier 12 and NOS tube rolling

I've recently got a CJ Premier 12 and wonder; Which of the tubes ( 6550, 6FQ7 or 5751) is most important for the sound signature/quality?
I would like to swap to NOS tubes, but where do I start?

Thanks :-)

Ole

ole_s03-30-2005 8:05pm

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avguygeorge Details Discussions Posts This discussion Message User 2,300 posts 03-31-2005 at 06:53am Copy Comment URL Report Comment Edit Delete Sylvinia black plate 5751 is a start.I change out the 6fq7's at the same time. My CJs use el34's so I can't help there.
weiserb Details Discussions Posts This discussion Message User 473 posts 03-31-2005 at 05:06pm Copy Comment URL Report Comment Edit Delete I am using EI 90's with great results I would suggest speaking to Kevin at upscaleaudio.com He can help you taylor the sound to your liking.

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