Mullard Used Vacuum Tube ECC33/6SN7 Smoke Glass Bottom Square Getter Made in England. Comes in original Mullard Box. Date Code: 5K2 B1F Made in June 1961 in Blackburn England. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 2480/2610 where minimum good value is 1640 I will gladly combine shipping upon request. |
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