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5U4G / 5U4GB types
This Raytheon 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a bottom D getter. The black base has yellow print with the Raytheon logo. Tube tests as new.
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This1950s RCA 5U4G 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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Price: From $39.00 to $59.00
This RCA 5U4G full-wave rectifier tube has an ST bottle, smooth black plates, and a top or bottom getter. The full black base has silver print. Tube tests as new.
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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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This rare CBS 5U4GB full-wave rectifier tube black plates and dual getters. The short bottle has "5U4GB" etched in the glass and the black base has red print. Tube tests as new and ships in its original box.
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This 1960s 5U4GB rectifier tube was made by GE and labeled for Amperex. It has gunmetal gray plates and a side getter. The orange print on the glass has the Amperex globe logo (partial). Tube tests as new with balanced diode sections.
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This unusual RCA 5U4GB full-wave rectifier tube has black plates and a top D getter. The tall bottle has a white RCA label and "5U4GB" inscribed on it. Tube tests as new.
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The RCA 5U4GB rectifier tubes in this precisely matched pair have black plates and a top halo getter. The tall bottle has red print with the RCA logo and "5U4GB U.S.A." printed on it. Both tubes test as new with balanced diode sections.
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This Sylvania 5U4GB rectifier tube has black plates and a top halo getter. The bottle has 5U4GB inscribed on it and the black base has yellow print with the Sylvania lightening logo. Tube tests as new and ships in a new white box.
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The Westinghouse 5U4GB / 5AS4A rectifier tubes in this precisely matched pair were made in Japan. They have ribbed black plates and a side halo getter. Both tubes test as new and ship in their original boxes.
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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.
PLEASE NOTE: Orders placed Feb. 7-Feb. 20 will ship Tuesday Feb. 21.
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