Product Description
Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with common production codes. Tested on Hickok AN/USM-118B.