Matched Pair Valvo EF86/6267 Vacuum Tubes Made in Germany. Same Date Code: 8Y2 D4I2 Both tubes are made in September 1964 in Hamburg Germany Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 2820 2780 where minimum good value is 1150 Strong and tightly matched pair! |
|