(!!) 5963 Beckman by RCA gray plates used/test like new 1961 (9.8/10ma) 1-2% section balance
By Tube World
$ 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)
See more: service
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 5963 Beckman by RCA gray plates used/test like new 1961 (9.8/10ma) 1-2% section balance&Category=service&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_d6c2fca4-7396-4c7f-a1f9-3ae6cf511880.jpg?v=1600005152){kind=link}
 5963 Beckman by RCA gray plates used/test like new 1961 (9.8/10ma) 1-2% section balance "Pin It")