NOS Vintage Sylvania 5U4 Rectifier Tubes, Longest Black Plates D Getter, Box, 1960s, USA, Ex Performance, NEW 1960s

NOS Vintage Sylvania 5U4GB Rectifier Tube, D Getter, USA,,Box,1960s. It has the longest Black plates, GF batch code. It tests new and balanced. These are known for their excellent stability and performance.    It has the incomparable vintage 1960s Vintage Sylvania Design, craftsmanship, attention to detail, metals, sound quality, musicality and performance that only vintage Sylvania tubes can produce. Vintage Sylvania tubes were used as original equipment tubes by many vintage tube amps companies, Magnatone, Fisher, Fender, Scott, Selmer, Dynaco, Mcintosh, Watkins, etc. The shipping cost includes safe packing, insurance, prompt shipping and tracking number. Buy with confidence, see my feedback. Good listening, SonnY :)