NOS/NIB Sylvania JAN Mil-Spec 6922/E88CC O-Getter Made in USA. Date Code: 7139 Msde in 1971 in USA Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 14700/13500 where minimum good value is 7000 Tested in my preamplifier to make sure they work as intended with no issues at all. |
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