(!!) (PAIR) 713A Western Electric by Tungsol NOS 1942-1943 (6.2ma and 6.3ma)

1 pair) 713A WE by Tungsol NOS 1942-1943
1 tube) 6.2ma Gm=3100
1 tube) 6.3ma Gm=3300 (WE-713A on base)

pins cleaned on both tubes

(Pentode, 713A=717A with black bakelite base)
most made by Tungsol branded Tungsol or Western Electric by Tungsol

- Yamamoto AO8 amp