(!!) (BEST PAIR) 272A Western Electric NOS "meshplate" 1961 and 1969 (6.1ma and 6.4ma)
$399.99
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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
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