Quote:
Originally Posted by ehoove
I bought a pair pf EH 6H30 cyro tubes for my ARC LS16MkII and have been happy with them over the stock tubes that came with the preamp, but have no idea how many hours were on the stock tubes, but the new tubes sounded better from the start and now sound amazing (331 hours)
Regards,
Jim
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Most interesting Jim, I tried a set of the same in my then incombent REf5SE, and whilst smoother that the factory set I also found them ( over approx 10 hours run time) a tad diffuse in the upper registers, slightly veiling of micro detail, which surprised me somewhat.
Ultimately I prefered to run with factory 6H30's whilst tailoring the presentation with various NOS 6550's.
However, your post may prompt me to give them another, longer, run out in the REF150.
Jasper.