I have lot of 18 x 6N23P-EV NOS tubes for sale!
BOXED with manual.
USSR made 6N23P-EV tubes, equivalents to the ECC88, E88CC, 6DJ8, 6922.
EXTRA quality (EV version), long life 5000 hours or more!
NEW OLD STOCK!PHOTOS —
https://yadi.sk/d/gTPSfMubgwLvg$425 with worldwide shipping
Please PM me.