Amperex 12AU7/ECC82 Dimpled Disc Getter Made in Heerlen Holland. Labeled as Hewlett Packard: Instrument Grade. Date Code: Delta 0F4 Made in June 1970 in Heerlen Holland. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 2770/2750 where minimum good value is 1950 Tightly balanced and strong tube! Tested in my preamplifier to make sure working as intended with no issues at all. |
I will gladly combine shipping upon request.
|