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272A Western Electric NOS "meshplate" (752=1947) slightly tilted plate with data sheet (6.7ma Gm=900)

By Tube World

$ 189.99

272A WE NOS "meshplate" original box (752=1947) slightly tilted plate with data sheet 

6.7ma

Gm=900

 

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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