Tung-Sol KT150 Audio Research Matched / No Cryo Reviews

4.5 Rating 20 Reviews

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909.931.9686

Email:

joel.m@upscaleaudio.com

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2058 Wright Avenue,
2058 Wright Avenue
California
91750

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“The sound is proving to be impressive after a few dozen hours. I’ve docked a star because one of the 4 tubes I received is noticeably smaller in its egg-shaped glass (but the internal parts look the right size) than the others which gives an unbalanced appearance to the amp. Maybe I was given an older tube from a different production run.”

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Posted 3 months ago

Thomas Valenza

Verified Reviewer

“Graet product, fast shipping!”

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Posted 4 months ago

Wayne Kessler

Verified Reviewer

“Beautiful tubes. Upscale Audio is the best.”

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Posted 5 months ago

Author didn't leave any comments.

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Posted 5 months ago

“What can I say? They are working as advertised meaning extended at both ends of the frequency. they are expensive because they are Russian? Wonder if they will ever be made locally.”

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Posted 10 months ago

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Posted 1 year ago

“I'm having issues getting these tubes to bias in my ARC Ref250se amps, can't adjust to bring the meters into the acceptable range. Any suggestions would be greatly appreciated.”