I have several pairs of 6DJ8/ECC88 O-Getter vacuum tubes made by Mullard. They have "B" code etched on the tube glass indicating made in Blackburn, England. All are New Old Stock, never used, and test very strong. All are made in the 60's.Warm, Smooth, Seductive, and never bright - typical Mullard sound. Some with writing erased, some with writing intact. Tubes have "B" code etched on the glass indicating they are made in Blackburn, England by Mullard. All have the same construction and all are made by Mullard.
All are New Old Stock, never used, and test strong like NOS tubes.
All are made in the 60's. 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. Full money back guarantee! $65 per tightly matched pair. $35 for a single tube. 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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