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