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(slightly microphonic tube) 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma)
(slightly microphonic tube) 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma)
$ 27.99
slightly microphonic tube) 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era in white box
7.2ma Gm=4300
8.4ma Gm=4600
- microphonics only noticeable when tapping on tube
- recommended as driver or buffer tube
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 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_b26c4337-37c3-4ebd-982a-559cad3b70cf.jpg?v=1571439120){kind=link}
 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma) "Pin It")