Product Description
Close cross-section and cross-tube matched pair of Sylvania 6SN7GT. Highly desired black plate, clear top medium-mu twin triodes. Common N3 production code (believed to be 1963). One tube tests 3045/3115 uMhos, the other 3080/3150 uMhos, with a baseline of 1750 uMhos. New old stock from the balance of a production pack will be shipped in white box. Tested on Hickok AN/USM-118B.