In Reply to: Do All Telefunken 12AX7 Tubes Have the Diamond on the Bottom? posted by The Dill on July 12, 2012 at 06:03:57:
Years ago I acquired a NOS pair of Tektronix Matched Telefunken 12AU7's with the Tektronix labels on them and the original Tektronix double box. They had no discernible diamond on the bottom and due to the labels on the tubes the date codes were not visible. I'm not sure whether they were genuine Telefunken tubes, but they did sound very nice. I no longer have them and never did a real comparison to another pair of well used diamond bottom Telefunkens I had at the time. Just curious about them.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Here's a question. - R Browne 19:02:02 07/12/12 (0)