(!) JG-12AT7WA=6201 GE black plates triple mica "U" getter used/strong 1955 (10ma/15ma)
$ 19.99
1 low noise tube) JG-12AT7WA=6201 GE black plates triple mica "U" getter used/good 1955 faded printing
10ma Gm=5800
15ma Gm=6700
See more: vacuum tube
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 JG-12AT7WA=6201 GE black plates triple mica "U" getter used/strong 1955 (10ma/15ma) "Pin It")
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