Quote:
Originally Posted by Beatlebum
So I'd been reading up on power tubes and possible alternates to the GL KT66's in my Inspire Fire Bottle PSE. Not unhappy at all with the sound just wanting to learn more and seeing as I'm a huge fan of good 6L6 tubes I stumbled across some threads about the new Tung-Sol 7581A tubes.
Said what the heck and went ahead and ordered a quad of the 7581A's and I figured at $100 for the four of then, if they didn't work it wouldn't be the end of the end of the world.
These TS 7581A's are incredible sounding!
They have the best attributes of really good 6L6's (crystal clear, great highs, big soundstage) along with the bass and slam of the GL KT66's. The dynamics of these 7581A's are stunning!
Interestingly, the 7581A's sound better with a Brimar 6SL7 driver than my various NOS 6SN7's.
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These 7581A's are even better sounding after some time on them. The dynamics are really good. Bass drums kicks have incredible impact.