4 Sylvania 12BK5 Vacuum Tubes NOS NIB Lot Of Four
4 Sylvania 12BK5 Vacuum Tubes NOS NIB Lot Of Four
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4 Sylvania 12BK5 Vacuum Tubes NOS NIB Lot Of Four

$12.50
$12.50
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This lot of four new old stock, new in box Sylvania 12BK5 tubes tested to spec on our Paul Hart-calibrated TV7/U.