1 pair) 272A Western Electric NOS “”meshplate”” in original boxes

1 tube) 6.1ma Gm=800 (6113=1961) brass pins

1 tube) 6.4ma Gm=800 (6926=1969) nickel pins

NOS mA = 6mA

NOS Gm = 800+

General Information

Vfil=10V @ 320ma, Vplate=140V, Iplate=5.4ma, Mu=5.6, Gm=670, Rp=7400 ohms