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National Union 5U4G - ribbed plates
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SOLD OUT
Item Number: 521
Manufacturer: National Union
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This 1940s National Union 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, bottom D getters, and hanging filaments. The white print on the base has the National Union logo.
Tube tests as new with balanced diodes. It ships in a new white box.
This tube is sold individually. Photo is of the actual tube. |
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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