Description
JG-6189=12AU7WA GE triple mica NOS 1963 (8.6/10.4ma)
1 low noise tube) JG-6189=12AU7WA GE triple mica “O” getter halo NOS 1963 mil-grade in white box – pins cleaned and polished
8.6ma Gm=1800
10.4ma Gm=2100
JG=mil-grade
12AU7 subsititute
5814A=12AU7 GE is also recommended