PAIR of Vintage Sylvania 6KG6A/EL509 Vacuum Tubes NOS/NIB

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PAIR of Vintage Sylvania 6KG6A/EL509 Vacuum Tubes NOS/NIB :
$48.00

This listing is foraPAIR of Vintage Sylvania 6KG6A/EL509 Vacuum Tubes .These are New Old Stock in original boxes.The lettering on one is faded but tubes are obviously the same and neither show any signs of heat.They are guaranteed good as new tubes should be.
These are British made tubes.
I am happy to answer your questions to the best of my knowledge.
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