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Gold Lion KT88 No Cryo Reviews

4.9 Rating 163 Reviews
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Phone:

909.931.9686

Email:

joel.m@upscaleaudio.com

Location:

2058 Wright Avenue,
2058 Wright Avenue
California
91750

Vernon Walter
Verified Reviewer
These were recommended during a conversation with Upscale. I had been using Wing "C" 6550 but wanted a bit more bass but I wanted to keep the lushness of the 6550's. Well, many years later I still using the GL-KT88's. Once in a moment of cheapness, I purchased a few replacements from a Amazon based tube vender, bad move. Of the four tubes, 3 failed within 4 month. I've never had a failure rate with Upscale product. I have been using these folks since 1999, great product and outstanding customer service.
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Posted 5 years ago
DONALD HARRIS
Verified Reviewer
Shipping fast, efficient and secure safe packaging
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Posted 5 years ago
Author didn't leave any comments.
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Posted 5 years ago
ROBERT CARDUCCI
Verified Reviewer
Great!
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Posted 5 years ago
I agree with everything Kevin said about these tubes in the video as well as many of the commenters. They are clear and detailed throughout all frequencies - strong bass, clear & liquid midrange, extended highs (which balance out the top-end softness in Tannoy Revolution XT-8F speakers)
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Posted 5 years ago
Peter Dufour
Verified Reviewer
A little more punch in the low end then the EL34s I was using before. Very happy with the performance.
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Posted 5 years ago
Alex Bornstein
Verified Reviewer
Love the KT88s in my integrated Primaluna Prologue Two. Much more dynamic than my Mullard EL34s with my Magnepan LSRs. I wasn’t sure if this tube amp had the oomph for LSRs but it has been a month and I still haven’t rehooked up the solid state amp with tube pre. Sweet KT88s
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Posted 5 years ago
David Sheaffer
Verified Reviewer
I bought these to replace a set of 6550s in an old tube amp I inherited. Everything you've read about these tubes is true. They sound fantastic. I'm listening to Buddy Guy right now. I feel like Upscale Audio really takes the time to match them on tubezilla. I have a bias meter on the amp and they are solid as a rock.
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Posted 5 years ago