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272A Western Electric NOS
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272A Western Electric NOS
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272A Western Electric NOS
272A Western Electric NOS

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

$161.00 $189.99


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1947 272A preamp tubes triode western electric tubes wp


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Western Electric
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  • Description

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