"Best" 12BH7/A tubes?

What is the sound character of the various 12BH7 and 12BH7 tubes? Different manufacturers, different dates, different construction types... How would you rank them in "quality"?

pmboyd11-20-2011 9:39pm

Showing 1 response by casouza

casouza Details Discussions Posts This discussion Message User 239 posts 11-30-2011 at 12:50am Copy Comment URL Report Comment Edit Delete Yogiboy 12AU7 is pin-compatible with 12BH7 but not equivalent. For example, if the 12BH7 is used as a driver tube, a 12AU7 will not do. Best wishes

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