(!) (BEST PAIR #2) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (5.2ma and 5.2ma) 1% matched

1 matched pair) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982

1 tube) 5.2ma Gm=2800

1 tube) 5.2ma Gm=2800

NOS mA range 4.2-5.2mA+

NOS Gm 2500-3200+