100% Vintage Original TESLA  ECC 82 = 12AU7 tubes  

High level of old european quality! 

These tubes have much more musical sound than modern Chinese tubes and higher quality of course.

Strong matched pair

New In original paper box

Made in Czechoslovakia in October 1974

Plant Roznov

All tubes the same date UD032

Tested with professional tube tester device L3-3

Checked for noise , microphonic.

From old stock

NOS NIB vacuum tubes

It is  not modern  JJ