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Description
1 pair) 272A Western Electric "meshplate" in white boxes
1 tube) 6.4ma Gm=800 (1940's) used/like new
1 tube) 6.3ma Gm=800 (126=1951) taller bottle - NOS
- oldest pair
General Information:
Vfil=10V @ 320ma, Vplate=140V, Iplate=5.4ma, Mu=5.6, Gm=670, Rp=7400 ohms
