conrad-johnson ET7 preamplifier

announcing the ET7 line-stage preamplifier

The ET7 enhance triode line-stage preamplifier has been designed to incorporate the advances made with the Series 2 upgrade to our flagship GAT into a more affordable model.

conrad-johnson ART150 amplifier

new ART amplifiers

In celebration of our 40th anniversary, conrad-johnson has introduced two new ART amplifiers: the ART150 stereo amplifier and ART300 mono-block amplifier.

Classic 120 beauty no cage

announcing new classic amplifiers

The conrad-johnson design team is committed to adapting the advances from our state-of-the-art pursuits to more affordable offerings accessible to a wider range of music lovers.

announcing the
control amplifier

In many ways the CAV45 is the ultimate embodiment of our design philosophy that simple circuits yield best results.

announcing the
TEA1 Series 2
phono preamplifier

The TEA1 Series 2 triode equalization amplifier is a stand-alone vacuum-tube phono stage designed to satisfy the expectations of the most demanding music lovers.

announcing the
GAT Series 2

The GAT Preamplifier embodies conrad-johnson’s latest advances in line-stage preamplifier technology.

current products


For more than 4 decades, our vacuum tube preamplifiers have set the industry standard for performance, garnering worldwide acclaim and a place in many a reference system.


Since our first amplifier, the MV75 of 1978, c-j vacuum tube and solid state amplifiers have defined the state of the art. Our line features power amplifiers to fit nearly any requirement.

phono preamps

There’s no denying it: vinyl is back. At conrad-johnson, we never ceased our efforts to extract the utmost in detail and musicality from the ultimate audiophile medium.

see all of our current products

Visit CLOFO—Classical Lost and Found: “Forgotten music by great composers and great music by forgotten composers”