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Description
ECC83 12AX7 EI Yugoslavia Telefunken Long Smooth Plates 17mm NOS NIBOne (1 pcs) fully tested NOS tube, rare ECC83 12AX7 EI made in Yugoslavia on geniuine Telefunken made tooling machines . They are real vintage NOS tubes in original boxes made back in 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
One (1 pcs) fully tested NOS tube, rare ECC83 12AX7 EI made in Yugoslavia on geniuine Telefunken made tooling machines .
They are real vintage NOS tubes in original boxes made back in 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.
This is great sub 12AX7 / ECC83 tube for your Marshall, VOX, Ampeg, Carvin, Hiwatt, Fender , ...
We have few 100 pcs boxes of these tubes and we had enough time last few months to carefully measure them on our calibrated Metrix and Tesla tube testers for plate currents and Hickok for transconductance and for microphonics in amplifier..
You can find them rebranded Telefunken, Philips and Siemens, because all three factories have 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 ...
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4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
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Color: J
So pretty cute packaging. Makes great gifts. I’ve bought three so far definitely a favorite for friends.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Cute necklace
Color: E
Made a great gift. My daughter wears it almost everyday.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Beautiful!!
Color: E
Great necklace beautiful and classy
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great bargain for something this cute!
Color: G
Luv this combo - it is so cute!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
So Pretty
Color: B
A beautiful necklace for my beautiful daughter. She is 12 years old and starting to appreciate pretty jewelry rather than fun/colorful/kid’s jewelry; BUT - she’s 12!!! No real gold or fancy jewelry just yet! Gifts like this perfectly hit the mark right now. It looks beautiful, feels fun and trendy but more mature, has held up well to the wear and tear of a 12 year old, and is the perfect size for her at this time. She loves anything with her initial on it so she, of course, adores this necklace. She wears it several times a week. She has occasionally worn this necklace to bed on accident and it has not broken or gotten damaged in any way. All in all, I recommend this cute necklace as a beautiful gift!
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Reviewed in the United States on March 9, 2026