Matched Pair Amperex/Philips EL84/6BQ5 with O-Getter Made in Heerlen Holland. Labeled as HAMMOND & EVERETT. Label is partially erased. Date Code: rX4 Delta 2I1 & rX4 Delta 3D1 Made in September 1962 & April 1963 in Heerlen Holland. -close dates- Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 9500 9600 where minimum good value is 5650 Tightly matched pair. |
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