Tung-Sol 6550 Yes Cryo Reviews

4.8 Rating 20 Reviews

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Arnie Weitzel

Verified Reviewer

Author didn't leave any comments.

Helpful Report

Posted 2 months ago

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Helpful Report

Posted 5 months ago

Ralph Santasiero

Verified Reviewer

“I've been uising Tung-Sol tubes for perhaps, 20 yrs. now. They always sound good. Installed and worked fine. No defective tubes at this point. Haven't broken in yet. Maybe 20 or 30 hours so far. Dealing with Upscale's people is a pleasure. Knowledgeable, helpful, and friendly.”

1 Helpful Report

Posted 5 months ago

“Great sound!”

Helpful Report

Posted 1 year ago

Roy Landesman

Verified Reviewer

“these are not good tubes.”

3 Helpful Report

Posted 1 year ago

Robert Friedman

Verified Reviewer

“Hello Upscale audio! The tubes are performing great so far! Thank you! Robert”

1 Helpful Report

Posted 2 years ago

Christopher Simmons

Verified Reviewer

“Sound great. Replaced some EL34 tubes in my Black Ice Audio F22 amp.-- Sounds much better for my kind of old guy rock and techno music from 70s and 80s :)”