Matched Pair Siemens 12AT7/ECC81 O-Getter Made in Germany Same Date Code: VF1 ≠6F Both tubes are made in June 1966 in Germany Fully tested by calibrated Hickok 539C tubes tester with no shorts, leakage or gas. Measurement: 3800/3630 3470/3820 where minimum good value is 2500 Tightly matched strong pair! Tested in my preamplifier to make sure working as intended with no issues at all. |
I will gladly combine shipping upon request. |
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