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(!!!) (Best Single) 5BK7A RCA branded Raytheon black plates NOS 1960's (14/14.3ma) (Highest Ma and Gm)
(!!!) (Best Single) 5BK7A RCA branded Raytheon black plates NOS 1960's (14/14.3ma) (Highest Ma and Gm)
$ 9.99
5BK7A RCA branded Raytheon black plates NOS 1960's
14.0ma Gm=8200
14.3ma Gm=7800
SINGLE TUBE, NOT A PAIR
dual-triode
See more: vacuum tube
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 (Best Single) 5BK7A RCA branded Raytheon black plates NOS 1960's (14/14.3ma) (Highest Ma and Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/6_c9750ef2-35d9-4efe-a022-34a9832b41a6.jpg?v=1784152488){kind=link}
 (Best Single) 5BK7A RCA branded Raytheon black plates NOS 1960's (14/14.3ma) (Highest Ma and Gm) "Pin It")