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I've read many times that 6SN7's are "big tone" tubes, but........

there don't seem to be that many 6SN7 preamps, while many employ 12AX7's and 12AU7's. Why? Is it harder to come up with a good circuit for 6SN7's, more expensive to design/implement? Less good 6SN7's available than 12AX(AU)7's? AFAIK there are hardly any phono sections that use 6SN7's. How come?

IIRC the only 6SN7 pre I've heard was a Cary SLP 98. It sounded pretty good to me, but not radically better or much more "big toned" than 12AX(AU)7 based pre's I've heard. I only heard the Cary for a short time at a show, so my impressions of it are not based on long term auditioning.

So what's the deal? Do 6SN7's really inherently provide more fleshed out timbre than 12's?


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Topic - I've read many times that 6SN7's are "big tone" tubes, but........ - Rick W 10:03:56 10/29/14 (25)
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