Vintage tubes made In Yugoslavia/Ei Niš

From late 60s early 70,NOS NIB (only tested)

Tested on Roetest V10.1 (best tube tester)

Results :

Tube 1.  101%/101%

Tube 2.  100%/101%

No shorts,no gas

(4 matched pairs in stock,same construction,print,box)

I will pack the tubes properly(in a wooden box), and will take great care in doing so

PRICE IS FOR 2 TUBES