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(!!) JRC-12AU7 RCA NOS long gray plates mid-1950's

(!!) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma)

By Tube World

$ 64.99

1 low noise tube) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter

9ma Gm=2000

11.6ma Gm=2100

 

mil-grade 12AU7

 

Good mA = 8-10ma

Good Gm range 1800-2200


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