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Description
Platinum matched pair ECC83 12AX7 EI Yugoslavia Telefunken Long Smooth Plates 17mm NOS NIB rebranded UnitedTwo (2) fully tested NOS tubes, platinum matched pair of rare ECC83 12AX7 EI made in Yugoslavia on genuine Telefunken made tooling machines, rebranded United National. They are real vintage NOS tubes in original boxes made back in late 80s early 90s in EI tube factory in Nis, Serbia. (Elektronska Industrija Nis) If you like sound of Telefunken's smooth plates ECC83 12AX7, you'll like these too, because they are (almost) exact copy. The only
Two (2) fully tested NOS tubes, platinum matched pair of rare ECC83 12AX7 EI made in Yugoslavia on genuine Telefunken made tooling machines, rebranded United National.
They are real vintage NOS tubes in original boxes made back in late 80s - early 90s in EI tube factory in Nis, Serbia. (Elektronska Industrija Nis)
If you like sound of Telefunken's smooth plates ECC83 12AX7, you'll like these too, because they are (almost) exact copy. The only differences are in thickness of halo getter and in "staples" which are facing each other.
I have few 100 pcs boxes of these tubes and I had enough time last few months to carefully measure them on my Metrix and Tesla tube testers for plate currents and Hickok for transconductance and to make platinum matched pairs with balanced triode sections.
You can find them rebranded Telefunken, Philips and Siemens, because all three factories had contracts with EI. These are pre war tubes, with exceptional quality, made with 1st class materials, because of that many of them have been rebranded like long life premium versions E83CC and sold by Siemens and Philips in their boxes.
You can also find them relabeled Telefunken with diamond mark on the bottom last few years! Diamond bottom mark is done on laser machine, and if you want to avoid that and to be sure that you are buying genuine Telefunken ECC83 12AX7, just take a look at getter and how staples are faced. Diamond bottom is not proof any more ...
If you want to know more about Telefunken ECC83 12AX7 and different types of smooth plate and ribbed plate versions you should read this article on my site: www.tubes.rs/ecc83-telefunken-12ax7/
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4.5 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Happy with the price and quality!
Size: Single Slat, Color: Matte Black, Size: Single Slat, Color: Matte Black
I bought this set with low expectations to replace my OEM grill which was falling apart and getting loose. I thought, not much to lose. They actually turned out to fit and look great. Just one tip-- when installing, be sure that you are correctly positioning the tension clips to be in contact with the end of the hood notch. There are a lot of Youtube guides you can find online to help you with it. Otherwise, they will just be totally loose and not fit correctly.
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Reviewed in the United States on March 12, 2019
★★★★★ 5
Easy install !! They fit well and look good
Size: Single Slat, Color: Chrome
The grill is plastic of course but for the price it makes the car look good. I had a cracked grill and it looked so ugly. These popped right in easy install and makes the car look good again I am happy.
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Reviewed in the United States on May 17, 2026
★★★★★ 1
If zero stars were an option……
Size: Single Slat, Color: Chrome
Do not buy this product extremely cheaply made the clips don’t flex and they break when installed also a horrible fit
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Good fit for 2002 325Ci
Size: Single Slat, Color: Black
Fit 2002 325Ci perfectly. Look good and hopefully last long.
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Reviewed in the United States on February 1, 2026
★★★★★ 4
Ok substitution for the value
Size: Single Slat, Color: Chrome
Bought these for my 2004 M3, quality is good, fitment is OK, some gaps around the edges but you cant tell unless you look very closely. About as expected for the cost.
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Reviewed in the United States on March 1, 2026
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