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Original Message
6P15P - matched tubes, same factory and different dates
Posted by Yoshimitsu on May 11, 2022 at 07:19:04:
Hi
I was looking for some 6P15P tubes from the Orzep factory. I found a matched quartet that measure the same but are from different dates. Can they be paired with each other?
If I am reading it correctly they are from 1980, 1991, 1977, 1982.
https://imgur.com/a/Nz5Ge1X