ECC803S is a long plated 12AX7. Long plate gives the tube a fuller and stronger sound compared to the regular 12AX7.
Gain % as compared to 12AX7 : 100%
30-day warranty against manufacturing defects.
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.