1 low noise tube) 12BH7A CBS Oval Black Plates “”O”” getter used/good 1960
1 section) 7.3ma Gm=2300
1 section) 9.6ma Gm=2600
$12.00 $39.99
1 low noise tube) 12BH7A CBS Oval Black Plates “”O”” getter used/good 1960
1 section) 7.3ma Gm=2300
1 section) 9.6ma Gm=2600
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