Amperex PQ (Premium Quality) E88CC/6922 O-Getter with Gold Pin Made in Heerlen Holland. Desirable PQ 1963 production with O-Getter. Date Code: 7L9 Delta 3C2 Made in March 1963 in Heerlen Holland. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 14200/15500 where minimum good value is 7000 Measures very strong at NOS range! Tightly balanced triodes! Possibly unused! Low noise! Tested in my preamplifier to make sure they work as intended with no issues at all. |
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