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Description
One NOS NIB ECC82 12AU7 EI Yugoslavia Telefunken Long Smooth Plates 17mm GuitarModel: ECC82 12AU7 Country of Manufacture: Yugoslavia Brand: EI Auction is for one (1) fully tested NOS tube, rare ECC82 12AU7 EI made in Yugoslavia on geniuine Telefunken made tooling machines . Exceptional performer in many guitar tube amps!!! They are real vintage NOS tubes in original boxes made back in 80s in EI tube factory in Nis, Serbia. (Elektronska Industrija Nis) If you like sound of Telefunken's smooth plates ECC82 12AU7, you'll like these
Model: ECC82 12AU7
Country of Manufacture: Yugoslavia
Brand: EI
Auction is for one (1) fully tested NOS tube, rare ECC82 12AU7 EI made in Yugoslavia on geniuine Telefunken made tooling machines .
Exceptional performer in many guitar tube amps!!!
They are real vintage NOS tubes in original boxes made back in 80s in EI tube factory in Nis, Serbia. (Elektronska Industrija Nis)
If you like sound of Telefunken's smooth plates ECC82 12AU7, 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 test them on my Metrix and Tesla tube testers for plate currents and Hickok for transconductance.
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 E82CC 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 ECC82 12AU7, just take a look at getter and how staples are faced. Diamond bottom is not proof any more ...
Auction is for ONE tube, not for a pair!!!
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4.8 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Works for my G30 Verge
Size: 11SMax-24Pack
Fit my G30 Verge. Works well and brought it back to life. Great value for the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 5
Fits my Eufy
Size: 11SMax-24Pack
Parts fit my Eufy like they should. The side brush has held up nicely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Bang for buck
Size: 11SMax-24Pack
You get a lot for the price. And it fits. Recommended. It is a little noisier than the original bit functions are the same
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Perfect Fit & Performance
Style: with Pre-Filter
These are an excellent, cost-effective alternative to OEM parts. The brushes and filters fit securely, restore full suction power, and hold up well to daily use. A must-have for maintaining a Eufy RoboVac without the high brand-name price tag.
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Reviewed in the United States on March 24, 2026
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