Brimar 12AT7/ECC81 O-Getter Copper Post Made in England. Date Code: 4B2/1565 Made in England Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 2800/2950 where minimum good value is 2500 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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