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(!!) (Slightly microphonic) 5963 RCA black ribbed plates

(!!) (Slightly microphonic) 5963 RCA black ribbed plates" and D getter NOS 1957 (11.6/12ma) (High mA and Gm) (12AU7 SUB)

$ 15.99

1 slightky microphonic low noise tube) 5963=12AU7 RCA black ribbed plates" and D getter NOS 1957 in white box

11.6ma Gm=2500

12.0ma Gm=2500

 

NOT A PAIR

 

Good Ma range 8-10ma

Good Gm range 1800-2200

 

(5963=computer rated 12AU7)



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