I have one pair of Amperex Bugle Boy 6DJ8/ECC88 more sought-after Large O-Getter vacuum tubes. Test very strong. They have the same etched date codes: GA4 Delta 1C3
Made in the 3rd week of March 1961. Tested on fully calibrated Hickok 539C tester. No Shorts, No Gas, No Leakage. Very Low Noise and suitable for phono preamps as well as line/drive stage. Test results: 12200/12200 and 11500/11500
where minimum good is 7750. Full money back guaranteed! First Class mail shipping with tracking within US will be $4.50 flat no matter how many pairs you buy. 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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