JJ Electronic 5U4GB Vacuum Tube

5U4GB is a directly heated full wave octal base rectifier for Hi-Fi and guitar amplifiers. Suitable for use in any 5U4 socket.

30-day warranty against manufacturing defects.

Filament Current: 3A 
Plate Current Rating (ma): 275ma



JJ Electronic is a world-renowned manufacturer of vacuum tubes, electrolytic capacitors and high-end audio amplifiers. Founded in 1993 by Jan Jurco, a small garage business grew to become a well known and respected in music industry.

JJ vacuum tubes and capacitors are widely used in guitar and audio amplifiers, recording studio equipment and in a variety of applications for audiophiles. JJ Electronics offers more than 35 preamp, power and rectifier tubes. All tubes were developed by their in-house research and engineering teams. All JJ Electronic products are the result of diligent research in the audio field and its continual application into manufacturing.