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(!!) 5963 Beckman by RCA gray plates used/test like new 1961 (9.8/10ma) 1-2% section balance

(!!) 5963 Beckman by RCA gray plates used/test like new 1961 (9.8/10ma) 1-2% section balance

$ 9.99

1 low noise tube) 5963 Beckman by RCA gray plates used/test like new 1961 in white box

9.8ma Gm=2300

10ma Gm=2300

 

 

(5963=computer rated 12AU7)
 

 

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