Mullard New Production 12AU7 / ECC82 Kevin's Stash / No Cryo Reviews

5 Rating 21 Reviews

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Phone:

909.931.9686

Email:

joel.m@upscaleaudio.com

Location:

2058 Wright Avenue,
2058 Wright Avenue
California
91750

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Jeff Peterson

Verified Reviewer

“These Mullard 12AU7s replaced the PL stock gain tubes in my Primaluna EVO 300 integrated amp. The tubes sound great. Only a relatively short burn-in period was required - 2 weeks of casual listening. The PL stock tubes also sound very good - I was looking for a reasonably priced tube to try some tube rolling just for the fun of it. Upscale processed the order really fast. Very satisfied.”

Helpful Report

Posted 5 years ago

Dylan Miller

Verified Reviewer

“Sounded great on first install and nearly a hundred hours after. I’ve since sold the amp to afford an upgrade and I think these tubes helped sell it! Worth getting Kevin’s Stash. I will be buying more tubes from Upscale Audio/Kevin’s stash when needed.”

1 Helpful Report

Posted 5 years ago

Jeffrey Germscheid

Verified Reviewer

“These Kevin's Stash Tubes are the real deal. I was frankly skeptical, but it wasn't too expensive to try them in my Prima Luna Prologue Premium Integrated(pushing Goldenear Triton 7s). They make a difference. It's not night and day, just "more" of what was already good about the stock 12Au7 preamp tubes. Also Upscale gives great service and ships fast. Thanks Kevin and team!”

1 Helpful Report

Posted 5 years ago

Charles Stewart

Verified Reviewer

“Overall clarity increased, background quieter, base response stronger, soundstage vastly increased, and there is more air around instruments. Your service was top notch! Thank you.”

3 Helpful Report

Posted 6 years ago

Walter Vasquez

Verified Reviewer

“simply amazing”

Helpful Report

Posted 6 years ago