

Amazing full-wave rectifier tubes manufactured in Canada by RCA. These powerful 8 pin octal based glass tubes, designed for radio and TV receiver service with high power requirements, come with black plates and side getters. They are glass etched 5U4GB/5AS4A MADE IN CANADA, and are printed in white RCA ELECTRON TUBE with RCA logo, and various production codes. They are boxed in standard RCA red and black boxes printed 5U4GB/5AS4A.
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Amazing full-wave rectifier tubes manufactured in Canada by RCA. These powerful 8 pin octal based glass tubes, designed for radio and TV receiver service with high power requirements, come with black plates and side getters. They are glass etched 5U4GB/5AS4A MADE IN CANADA, and are printed in white RCA ELECTRON TUBE with RCA logo, and various production codes. They are boxed in standard RCA red and black boxes printed 5U4GB/5AS4A.