Sylvania 5U4GB
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Sylvania 5U4GB

$18.89
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Sylvania 5U4GB Black Plate Rectifier Vintage Vacuum Tube Excellent rectifier option for any 5U4GB application.  Sylvania NOS tubes are hardy and can last a lifetime! We do not have original boxes for all vintage tubes. If you require an original box, we will do our best to supply one. Contrary to popular belief, roughly 70% of vacuum tubes did not come from the manufacturer individually boxed. Most tubes were manufactured for industrial use and were shipped and stored in large cardboard boxes with lipstick dividers.  Note: Pre-amp tubes do not need to be matched for 90+% of applications. All of our tubes are thoroughly tested. No tube tester is perfect, we often test tubes on several different industry grade testers to ensure you get a quality valve.  We guarantee your tube to be 100% operational! If it is not we will give you a full refund. Need help deciding what tubes are best for you? Use our plate cheat sheet and vacuum tube buyers guide to determine which tubes are best for you.

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