Radiotechnique 12AU7 Kevin's Stash / No Cryo Reviews

5 Rating 9 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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John Loiselle

Verified Reviewer

“Great tube! Improved my current sound by leaps and bounds. It is so refreshing to buy tubes with confidence, knowing Kevin and the Upscale Audio team has done the hard work of testing and matching tubes. Thank you!”

1 Helpful Report

Posted 3 years ago

“Turned onto these tubes 3 years ago, wonderful sound upgrade in my PL EVO 300. UA tubes ate always first rate and impeccable description, condition and shipping!”

Helpful Report

Posted 3 years ago

David Hackbarth

Verified Reviewer

“Magical Midrange, I say snag a few while there available! Better than 85% of my tube stash (45 small signal/preamp tubes )”

Helpful Report

Posted 3 years ago

Charles Proctor

Verified Reviewer

“Sound great in my Prima Luna Dialogue HP integrsted.”

Helpful Report

Posted 3 years ago

“This is my first venture in tube rolling so I don’t have a lot to compare them to ( or the vocabulary/knowledge to properly describe what I’m hearing ) . I can say they are miles above the stock tubes I replaced in stage, clarity and dynamics and zero noise.”

2 Helpful Report

Posted 5 years ago

“Fantastic 12Au7. Superb sounding tubes I use in my Primaluna evo 400 Preamplifier.”

Helpful Report

Posted 5 years ago

Mikel Bookwalter

Verified Reviewer

“Love these. Using them in 2x front/center on my Primaluna Evo 400 pre. I’ve swapped them around w Brimars, also great. I think Kevin’s description is spot on, maybe even a bit modest. Amazing holographic soundstage and texture. Will be replacing with more of the same. Stunning!”

Helpful Report

Posted 5 years ago

“What can I say. Best of the best. In between a tele and the primaluna branded.”

Helpful Report

Posted 6 years ago