Philips/Amperex E88CC/6922 O-Getter with Gold Pin Made in Heerlen Holland. This pair is labeled as Valvo. Date Code: 7LH Delta 7G2 & 7LE Delta 9C1 Made in Heerlen Holland. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 11500/11700 10300/10800 where minimum good value is 7000 Tested in my preamplifier to make sure they work as intended with no issues at all. |
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