Mullard 12AX7 Platinum Grade / No Cryo Reviews

4.9 Rating 23 Reviews

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909.931.9686

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2058 Wright Avenue
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Francisco Cruz

Verified Reviewer

“As usual Upscale service was top notch. Went with these Mullard when my NOS 5751 tubes started to make noise. Rather than go down that expensive NOS path. I decided to try new production. The description that Upscale provides is spot on and these work very well with my JAN Phillips 12AT7, and JJ KT77 tubes in my Jolida 202a. The old Jolida now has a sound signature I’ve been looking for.”

Helpful Report

Posted 3 months ago

“I own Pro-Ject Tube Box S phono preamp. I’ve had the upgrade itch for a while now, but haven’t pulled the trigger because I’ve thought I would need to spend 2X to 3X over the cost of what I have to notice a real difference. Instead, I decided to try these tubes and I couldn’t be happier. I only have about 20 hours on them, but I’ve noticed more detail, smoother, highs, and increased base. it is not a huge difference, but definitely noticeable and well worth the price. I will be able to postpone a phono preamp replacement for several more years.”

1 Helpful Report

Posted 1 year ago

David Rutzenp

Verified Reviewer

“See my review of Mullard new production 12at7 tubes.”

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Posted 1 year ago

ROBERT LANDESMAN

Verified Reviewer

“This tube is very musical and sounds very smooth. I am going to purchase this tube again.”

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Posted 1 year ago

Author didn't leave any comments.

Helpful Report

Posted 2 years ago

“A very good new production 12AX7 dual triode. Very low noise and microphony. A warm, smooth midrange, detailed, with a slightly relaxed top end. Evaluated in an Aesthetix Rhea Signature phono stage that requires low noise, high-quality tubes for optimum performance. The Mullards perform very well. My favorite 12AX7 tubes are the Genalex Gold Lion Platinum Grade tubes from Kevin. Upscale Audio is the premier source of high quality vacuum tubes,”

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Posted 2 years ago

Andrew Horwitz

Verified Reviewer

“This review is not actually about the tube; it's fine. I'll just take the opportunity to thank Upscale Audio for their always excellent communication and customer service. Thanks Upscale.”

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Posted 2 years ago

Duane Bertozzi

Verified Reviewer

“i just love the sound of these tubes.. upscale,,, only the best for my ears!”

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Posted 2 years ago