Audio Discussion > TUBES TUBES TUBES
12AX7A & 12AU7A recommendations
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rgpit:
Lately I've been thinking of doing a little tube rolling.
I've got a PrimaLuna Dialog 2 integrated amp. It has 12AX7's and 12AU7's in the pre-amp section and there are KT120's in the power-amp section.
I'm hoping for recommendations from the forum folks for the 12AX7's and 12AU7's.
Thanks,
Ron
bmwr75:
Hello Ron,
I have the exact same amp. Am running "Mullard CV4003 platinum grade, paid $40 each plus shipping from Upscale Audio" in the 12AU7 locations and "Telefunken select red tips" in the 12AX7 locations. Purchased the Telefunkens on eBay for about $57 each back in 2010. The AX7s are smooth plates IIRC. I tried a bunch of AX7s and always came back to these Telefunkens.
Regards,
Scott
non-prophet:
Upscale audio Mullard 6201 gold pin.
non-prophet:
Before someone corrects me, i will correct myself. The 6201 is a 12at7. If it will work in your integrated, give these a listen. I had amazing results in my amp.
scorpio333:
I have a Chinese Yaquin tube pre that takes 12ax7 and 12au7. Few years ago I found a quad of Telefunken 12ax7's, two went in the tube amp, two in the pre. After trying a few others, those won out. As for the 12au7's I bought a few cheap pairs to roll around. i settled on a pair of Sylvania 12AU7A. I tried Raytheon black plates, RCA clear tops and Westinghouse something or other. One of these days I'd like play around with a few other 12au7's.
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