Tung-Sol 6SN7GTB Kevin's Stash / Yes Cryo Reviews

5 Rating 19 Reviews

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2058 Wright Avenue
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Charles Hudson

Verified Reviewer

Incentivized

“All I can say is awesome!!! This is the 3rd time I have ordered tubes from Upscale. Always get Kevin's stash with cryo and like the prior tubes these are excellent. Previously I purchased the Electro Harmonix, this time went with these Tung-Sol. Wow, will stick with these. More lively (Bouncy/Musical), and a bit more sparkle in the highs, silky mids, nice bass drive and articulation.”

Helpful Report

Posted 2 months ago

Anthony Lee Claxton

Verified Reviewer

Incentivized

“This replaced a tube of the same brand in my arc Ref 3 preamp but this Kevin's stash one is quieter and reveals more low level detail.”

Helpful Report

Posted 2 months ago

William Scobey

Verified Reviewer

“Using as signal tube in Audio Note Kits L5 Preamp feeding Prima Luna Dialog Premium HP Monos. Sound is clear, detailed and dynamic. Just what I was looking for. A good match with the Tung-Sol EL34’s am using in the Prima Luna’s. Great service!”

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Posted 5 months ago

“Fantastic service from Upscale Audio. Thanks guys!”

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Posted 2 years ago

Craig Coughlan

Verified Reviewer

“Fantastic tubes made my system come alive highly recommend”

Helpful Report

Posted 2 years ago

Chris Heimerl

Verified Reviewer

“I used these to replace the gold lions that came stock on my Supratek Cortesi LCR. I zapped one with static electricity. I let these tubes run for about 50 hours straight with music checking in periodically. There are times I was enthralled and times I was scratching my head. Now that they have well over 100 on them and have settled in I can say I am very pleased. makes voices so intimate it seems like voyeurism. Lovely soundstage, spot on timbre, engaging punch, and weight to the lower end. Nice sparkle on the top. .”

1 Helpful Report

Posted 2 years ago

“Great sounding tubes! I bought two for the very affordable Schiit Freya + and they were indeed an improvement. Thinking of picking up two more for the Freya +. I suppose I should give Upscale the specs of my first two so that they can match the two new ones. Thank you again Upscale for fine quality tubes and exceptional customer service!! Dana”