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5U4G / 5U4GB tubes

Displaying products 1 - 5 of 5 results
5U4G RCA - ST bottle, ribbed black plates
RCA 5U4G - ribbed plates
Price: $44.00
RCA 5U4G - ribbed plates
This 1950s RCA 5U4G rectifier tube has an ST bottle, ribbed black plates, and a top getter. The full black base has silver print with the RCA logo. Tube tests as new.
GE 5U4GB - gray plates
Price: $27.00
GE 5U4GB - gray plates
This early 1960s GE 5U4GB rectifier tube has gunmetal gray plates and a side D or side O getter. The tall bottle has "5U4GB U.S.A." and the dot pattern characteristic of GE tubes etched in the glass. The black base has white print. Tube tests as new.
Sylvania 5U4GB - black plates
Sylvania 5U4GB - black plates, tall bottle
Price: $27.00
Sylvania 5U4GB - black plates, tall bottle
This 1960s Sylvania 5U4GB full-wave rectifier tube has black plates and a top halo getter. The black base has yellow or red print with the Sylvania lightening logo and the bottle has 5U4GB inscribed on it. Tube tests as new.
Tung-Sol 5U4GB - black plates, Dumont label
Tung-Sol 5U4GB - black plates, Dumont label
Price: $39.00
Tung-Sol 5U4GB - black plates, Dumont label
This 1963 Tung-Sol 5U4GB full-wave rectifier tube has black plates and dual O getters. The red print on the base has the Dumont logo. Tube tests as new.
RCA 5U4GB - black plates
RCA 5U4GB - black plates, various labels
Price: $29.00
RCA 5U4GB - black plates, various labels
This 1960s RCA 5U4GB full-wave rectifier tube has black plates and a side D getter. The white or red print on the base is labeled for other companies (Hammond, Admiral, etc) and "5U4GB USA" is inscribed on the glass. Tube tests as new.
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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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