Radiotechnique 12AU7 / 6189 Kevin's Stash / Yes Cryo Reviews

4.9 Rating 12 Reviews

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909.931.9686

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joel.m@upscaleaudio.com

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2058 Wright Avenue
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91750

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Khalid Alfadl

Verified Reviewer

“As the product description says”

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Posted 4 years ago

Michael Williams

Verified Reviewer

Author didn't leave any comments.

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Posted 4 years ago

“Never arrived after waiting for 3 weeks”

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Posted 4 years ago

“Hello, just about 100 hours on the 12AU7's in the front seat of a Prima Luna Dialogue preamp/London Reference cartridge/Boulder 508 preamp and are revealing more information than all my other NOS tubes, a bit more seperation, harmonics, upper octave air and bass is good, vocals are more intelligable more there I like the overall presentation and they are a lot of fun to listen to !!! Thank you all for the recomendation !!!”

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Posted 4 years ago