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5U4G / 5931 / VT-244
This CBS 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a side D getter. The full black base has red print. The full black base has silver print. Tube tests as new.
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This GE 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a bottom getter. Tube tests as new.
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This National Union 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a bottom D getter. Tube tests as new.
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This RCA 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a top getter. The full black base has silver print. Tube tests as new.
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This 5U4G full-wave rectifier tube was manufactured by RCA and labeled for Emerson (274 code on base). It has an ST bottle, ribbed black plates, and a top getter. Tube tests as new.
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This RCA 5U4GB full-wave rectifier tube has black plates and a halo getter. The tall bottle has "5U4GB 5AS4A USA" inscribed on it and the black base has red print. Tube tests as new and comes in its original box.
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This very rare Arcturus 5U4GB rectifier tube has black plates and dual top getters. Tube shows some wear but still tests as new.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles.
We also offer high quality and hard to find parts for DIY tube amplifier projects.
Our website features secure payment options and fast, convenient shipping around the world.
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