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EI

ECC83K 12AX7 EI Yugoslavia Short Smooth Plates 14mm NOS Matched Pair

ECC83K 12AX7 EI Yugoslavia Short Smooth Plates 14mm NOS Matched Pair

€168,99
€168,99
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Country of Manufacture: Yugoslavia

MPN: 12AX7ECC83

Brand: EI

Type: Vacuum Tube

Model: 12AX7 / ECC83

Auction is for two (2) fully tested NOS NIB tubes, platinum matched pair of extremely rare ECC83K 12AX7 EI made in Yugoslavia on geniuine Philips & Telefunken made tooling machines . 

They are real vintage NOS tubes in original Edicron boxes made back in 1997 in EI tube factory in Nis, Serbia. (Elektronska Industrija Nis)

This is extremely rare version with slightly lower amplification factor, low microphonic and low hum, shield between triodes, it's unique design of EI research & development  department and it's made on both Philips and Telefunken toolings. They are excellent choice for RIAA preamps as well guitar amplifiers. 

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.


Great choice for ECC83 / 12AX7 RIAA preamps!!!





I collect tubes and tube gear for more then 30 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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