Tungsram 12AX7 / ECC83 Platinum Grade / Yes Cryo Reviews

5 Rating 2 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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Martin Morfeld

Verified Reviewer

“Used them to replace Mullard NOS Cryo purchased from Upscale, had about 5,000 hours on them. Improvement was obvious, not huge, I could have delayed replacement, but worth it to me.”

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Posted 6 years ago

Alonso Bayardo

Verified Reviewer

“My zesto phono preamp had a a very good soundstage, these tubes have taken it to a much higher level , the stage is tighter, concise and detailed beyond my expectations!!! Spend the money buy these tubes and update throughout your analog chain , you won’t be disappointed!!”

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Posted 6 years ago