JJ Electronic KT77 Vacuum Tube

KT77 is a beam power pentode with octal base. It can be used in most EL34 amplifiers. It has more power, fatter bass and more headroom than the EL34 and E34L while providing very detailed tones. If the EL34 tubes in your amp seem to provide too much compression, try the KT77.

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.