(!!) (2nd Best Pair) 6AE5GT Tungsol branded Delco and Radiotron NOS 1940”s (7.4ma and 7.6ma)

1 pair) 6AE5GT Tungsol branded Delco and RCA Radiotron NOS 1940”s

1 tube) 7.4ma Gm=1100

1 tube) 7.6ma Gm=1200

Matched on Amplitrex

Vplate=100V

Vgrid=-15V

Good Iplate =6-7mA+

Good Gm = 1000-1200+

– developed by Tungsol in 1938 to drive 6AC5