SKU: 87359368787

Matched pair ECC83 SQ Ultron 12AX7 Philips NOS 100% tested very strong

$152.99 $169.99
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Description

Matched pair ECC83 SQ Ultron 12AX7 Philips NOS 100% tested very strongModel: 12AX7 Country Region of Manufacture: Japan Country of Manufacture: JAPAN Type: ECC83 Brand: Ultron Auction is for one Platinum Matched pair (2) tubes, ECC83 Ultron SQ Special Quality 12AX7. Made by Philips in 60s. Big O getter. Very strong examples, perfectly balanced sections. Tested with 250V on anodes and 1. 5V on grids (2. 15mA is 100% value): (3. 1 3. 1) (3. 0 3. 1) mA Tested in RIAA preamp for noise and microphonics. I collect tubes and

Model: 12AX7

Country/Region of Manufacture: Japan

Country of Manufacture: JAPAN

Type: ECC83

Brand: Ultron

Auction is for one Platinum Matched pair (2) tubes, ECC83 Ultron SQ Special Quality 12AX7.
Made by Philips in 60s. Big O getter.
Very strong examples, perfectly balanced sections.

Tested with 250V on anodes and -1.5V on grids (2.15mA is 100% value): (3.1/3.1) (3.0/3.1) mA

Tested in RIAA preamp for noise and microphonics.




I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.

If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.

I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.

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SKU: 87359368787

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Don from Detroit
Massapequa, US
★★★★★ 5
Well-Built, Masculine, Watch and Jewelry Case
Color: Espresso, Color: Espresso
The description here on Amazon is very accurate, but I have to say the quality is beyond what I expected! The material is soft with a nice leather feel to it. And the small details, from the stitching to the hinges to the clasp appears to be very high-quality. It came in a very nice package, and was well protected during shipping. The one thing I really liked about it was that the dividers in some of the compartments are able to be removed, offering a little more versatility as far as storage goes (see pics). The case has a very masculine look to it, which goes with the larger chronographs I have. It also has plenty of space for accessories, such as extra watch bands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2025
W
Verified Purchase
Wowzerz
Port Orchard, US
★★★★★ 5
Procase Men's box
Color: Espresso
Got this for my boyfriend for Christmas. We love it! The latch locks well. Decent size, good quality, might get another one for myself in the future
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
A
Verified Purchase
Adam
Omaha, US
★★★★★ 4
Overall recommended for the price
Color: Espresso, Color: Espresso
Pros: Looks fantastic, just like the pictures The latch feels solid Packaging was nice and it arrived undamaged Price is good for what it is Cons Durability of the fake leather on the inside is questionable, I don’t think this is something you’ll be handing down to your kids or anything like that This thing has a smell that I’ve never smelled before but it is quite unpleasant… hopefully that fades after a bit but it’s really not nice at all out the gate
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Reviewed in the United States on March 19, 2026
B
Verified Purchase
Bruce Blanquart
Omaha, US
★★★★★ 5
Read description and check pics.
Color: Espresso
Box works well, for storage and display. It’s a bit shallow but works for flat storage. No key lock.
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Reviewed in the United States on April 27, 2026
A
Verified Purchase
Alex Girard
Fort Morgan, US
★★★★★ 5
Great gift
Color: Black, Color: Black
Minor defects but otherwise perfect! Looks and feels solid, tons of space, and a good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025

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