Selling a GE JAN JG 5814 tube. Tested on my EICO 667 with readings of 101/103. This is a rugged version of a 12AU7 and a direct replacement. This tube was manufactured in 1953 and has a square tilted getter..
I have other tubes for sale and will combine shipping.
Re: GE JAN JG 5814 - 12AU7 Tube - 1953 - Tested
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