Matched Pair
JHS 5963 (12AU7)
RCA
NOS
same code = 6709/AHX
Vacuum Tubes
Gray Narrow Ribbed Plates
Halo Getters
Copper Grid Posts
Tested at 97/100 & 99/98
on a calibrated TV-7D/U tube tester
which is 126/130% & 128/127% of