Brimar CV4003 / 12AU7 Platinum Grade / No Cryo Reviews

4.9 Rating 147 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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William Martin

Verified Reviewer

“Rolled a number of tubes but keep coming back to Brimar. The clarity, separation, and sound stage are great. I’m a fan!”

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Posted 3 years ago

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Posted 3 years ago

“I have listened happily to my Prima Luna Dialogue Premium HP for the past two years using to supplied PL tubes (EL 34 and 12au7). I took a shot with these tubes in the driver spaces. What a difference! So much better separation of instruments and lots more air. I listen to Classical and Jazz, so all acoustic instruments recorded mostly in actual performance spaces. These tubes really make a difference. Speakers are Focal 728be's not known for their smooth high frequencies, but the Brimars extend the highs without a shred of harshness.”

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Posted 3 years ago

“Excellent sounding tubes”

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Posted 3 years ago

“I now have about a year of listening to my vinyl through a Vincent 701 phono pre-amp. I went from the original tube to Gold Lion and on to this Brimar 12AU7. Each step was a good move and this one will be the last. After 100 hours of play I cannot ask for much more from a valve/tube's impact on nice equipment. It is hard to discribe, but it just plain 'sounds great'. At times I am a bit sad when I realize that so much of the music and so many records made years ago never sounded this good at the time it was made. These valves/tubes made in the 1960s did not have the turntables, amps or speakers to hear what we get to hear. The reprints of 'old albums' on 180g and new presses are so much better than records made in the 60s and our playback equipment is far superior too. These old tubes in the awesome new electronic gear is hard to beat. My amp is a Peachtree Grand X-1 integrated hybrid with a pair of 12AU7s in the pre-amp stage and now runs with Gold Lions and sounds great. I will be ordering another pair of the Brimars to replace the current tubes when my ship comes in next week. After all this I will need to contact Kevin to pick out a new amp. Others seem to like these tubes in their PrimaLuna amps and I am being pulled into the vortex once again. At least I will have a stock of these fine tubes.”

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Posted 3 years ago

Catherine Sarvey

Unverified Reviewer

“This tube is absolutely amazing in my Auris Nirvana. The separation and space between instruments, and between voices, is remarkable. The soundstage now has the coolest 3D effect, both front to back and side to side. Image focus is much clearer. Overall, an effervescent and bubbly boogie factor, with bags of bass to spare. And I like to hear the bass. This tube is, without a doubt, the single best upgrade i have experienced in all my years in Audio. YMMV. Thank you Upscale !!!”

1 Helpful Report

Posted 3 years ago

William Cleaver

Verified Reviewer

“After considerable research and reading other reviews I replaced four out of the six stock 12UA7 tubes on my PrimaLuna Evo 300 preamp with these, and left the two outer cathode followers as supplied. Been running the Brimars for about fifty hours now and am starting to notice a marked improvement across the board, with less bright highs and a richer better defined bass but especially in a warmer more musical mid-range. A great addition / improvement to my system. Money well spent. Thank you!”