(BEST PAIR) JAN-5725W=6AS6 GE gray plate NOS 1973-1977 (4.4ma and 4.5ma) (same Gm)

1 matched pair) JAN-5725W=6AS6 GE gray plate NOS 1970”s

1 tube) 4.4ma Gm=2600

1 tube) 4.5ma Gm=2600

NOS mA range 4.2-5.2mA+

NOS Gm 2500-3200+