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5U4G / 5U4GB tubes

Displaying products 1 - 13 of 13 results
CBS 5AS4 / 5U4G - ST bottle, ribbed plates
CBS 5AS4 / 5U4G - ST bottle, ribbed plates
Price: $44.00
CBS 5AS4 / 5U4G - ST bottle, ribbed plates
This 1950s CBS 5AS4 / 5U4G rectifier tube has an ST bottle, ribbed black plates, and a top getter. The red print on the base has the CBS logo. Tube tests as new.
GE 5U4G - ST bottle, military spec, ribbed plates
GE 5U4G - military spec, ST bottle, ribbed plates
Price: $54.00
GE 5U4G - military spec, ST bottle, ribbed plates
This 1955 GE 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a bottom D getter. The silver label on the base has the GE logo and reads "JAN-CG-5U4G." Tube tests as new.
5U4G GE - ST black plates
GE 5U4G - ST bottle, ribbed plates, various labels
Price: $39.00
GE 5U4G - ST bottle, ribbed plates, various labels
This 1954 GE 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a bottom getter. The silver label on the base has the Delco logo. Tube tests as new.
RCA 5U4G - ribbed plates
RCA 5U4G - ST bottle, ribbed plates
Price: $59.00
RCA 5U4G - ST bottle, ribbed plates
This 1954 RCA 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a top getter. The silver print on the base has the RCA logo. Tube tests as new.
Westinghouse 5U4G - ST bottle, ribbed black plates
RCA 5U4G - ST bottle, ribbed plates, various labels
Price: $54.00
RCA 5U4G - ST bottle, ribbed plates, various labels
This 1954 RCA 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a top D getter. The red print on the base has the Westinghouse logo. Tube tests as new.
Sylvania 5U4G - ribbed plates
Sylvania 5U4G - ribbed plates
Price: $49.00
Sylvania 5U4G - ribbed plates
This 1952 Sylvania 5U4G full-wave rectifier tube has black plates and a bottom D getter. The green print on the base has the Sylvania logo. Tube tests as new.
CBS 5U4GB - dual getters
CBS 5U4GB - dual getters
Price: $29.00
CBS 5U4GB - dual getters
This 1950s CBS 5U4GB full-wave rectifier tube black plates and dual getters. The short bottle has "5U4GB" etched in the glass. The red print on the base has the CBS 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.
Raytheon 5U4GB - black plates
Raytheon 5U4GB - black plates
Price: $27.00
Raytheon 5U4GB - black plates
This 1960s Raytheon 5U4GB full-wave rectifier tube has black plates and dual side getters. The yellow print on the base has the Raytheon logo and reads "Made in the USA." Tube tests as new.
RCA 5U4GB / 5AS4A - black plates
RCA 5AS4A / 5U4GB - black plates
Price: $34.00
RCA 5AS4A / 5U4GB - black plates
This 1972 RCA 5AS4A tube is an uprated 5U4GB tube type. It has black plates and a halo getter. The red print on the glass has the RCA logo. Tube tests as new with balanced diodes.
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.
Sylvania 5U4GB / 5AS4 - black plates, tall bottle
Sylvania 5U4GB / 5AS4 - black plates, tall bottle
Price: $27.00
Sylvania 5U4GB / 5AS4 - black plates, tall bottle
This Sylvania 5AS4 full-wave rectifier tube is an uprated 5U4GB tube type. It has black plates and a top halo getter. The black base has yellow print with the Sylvania logo and the bottle has "5U4GB 5AS4A USA" inscribed on it. Tube tests as new.
Tung-Sol 5U4GB - black plates
Tung-Sol 5U4GB - black plates
Price: From $32.00 to $39.00
Tung-Sol 5U4GB - black plates
This 1960s Tung-Sol 5U4GB full-wave rectifier tube has black plates and dual O getters. Tube tests as new and ships in its original box. Click "more info" for current availability.
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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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