The 5814 is a 12AU7 built for the US military starting in the early 1950s.They were designed to be more rugged and typically had copper posts, extra micas, support rods, or clips on the ends of the plates. I am offering 10 tubes in this listing for $10 each. All tubes test 90 or better on my Sencore tester, which is consistent with new tubes. 1 GE/Ken-Rad 2 mica pewter plates with silver clips. 5 GE GL-5814 2 mica black plates with silver clips. 2 GE 5814 3 mica gray plates with support rods.
One has full 1959 date code.
Sold as a pair. 1 GE 5814 2 mica black plates. 1 GE 5814 3 mica black plates.
I will entertain a discounted offer for all 10 tubes. No fee for PayPal and $4 USPS 1st Class postage to CONUS. I have many other 12AU7, 12AT7 and 12AX7 tubes available, so let me know if you are looking for something specific. Thanks for looking.
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