One matched pair of Telefunkeny 12AT7/ECC81 Vacuum tubes. Made in Germany and both have diamond bottom.Tested with calibrated Hickok 539C tester with no shorts, gas or leakage. Test results: Strong at 4000/3800 and 4000/4200 where minimum good is 2500. Full money back guaranteed! First Class mail shipping with tracking within US will be $5. Payment by check or money order (no Paypal please). Local pickup with cash is welcome. I have over 400 100% positive feedback on Audiogon with the same member ID - "sojs", so buy with confidence.
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