1 low noise tube) 12BH7 Raytheon Oval Black Plates “”D”” getter used/good 1950”s
1 section) 7.0ma Gm=2600
1 section) 6.5ma Gm=2300
$10.50 $34.99
1 low noise tube) 12BH7 Raytheon Oval Black Plates “”D”” getter used/good 1950”s
1 section) 7.0ma Gm=2600
1 section) 6.5ma Gm=2300
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