The JJ 12Ax7 Pre-amp Tube - Our Number 1 Selling Product JJ Electronic is a world-renowned manufacturer of vacuum tubes which has been building professional grade components for guitar amps and Hi-Fi since 1993. For many, they are the first choice when...

JJ Electronic is a world-renowned manufacturer of vacuum tubes which has been building professional grade components for guitar amps and Hi-Fi since 1993. For many, they are the first choice when looking to upgrade. The JJ 12AU7 is built in the same...

JJ Electronic is a world-renowned manufacturer of vacuum tubes which has been building professional grade components for guitar amps and Hi-Fi since 1993. For many, they are the first choice when looking to upgrade. The JJ ECC81 / 12AT7 tube is a low...