(!!!!!) (Best Overall Pair) 336A Western Electric NOS 1956-1957 (42.0ma and 43.3ma) (Highest Ma) (matched on Amplitrex)

1 Matched Pair) 336A Western Electric NOS D getter NOS original boxes 1 tube) 42.0ma Gm=4700 (5652=1956) 1 tube) 43.3ma Gm=4800 (5713=1957)    Matched on Amplitrex Vplate=250V Vscreen=250V Vgrid=-14V NOS Ma=32ma NOS Gm=4200   The 336A is similar electrically to the 349A with 2 differences: 336A: 6 pin base, 10V Filament 349A: 8 pin base, 6.3V Filament All other electrical specs are the same   General Information (used in speech-input equipment and 106-type amplifier) (Vfil=10V @ 640ma, Vplate=250V, Iplate=30ma, Mu=336, Gm=4200, Rp=80Kohms, Pout=3.5 watts, UX-6 base) (same as STC 4336A)