PS Audio PMG Signature Preamplifier

The Paul McGowan Signature Preamplifier isn’t an evolution—it’s a revolution. It’s our flagship, the very best we know how to build, and the first product in 50 years to carry the name of our founder.

It had to.

This time, it’s personal.

Born from a lifetime of relentless pursuit, this is the purest, most transparent conduit between music and emotion we’ve ever created. With a vanishingly low noise floor of -145dB—beyond the limits of human perception—it uncovers musical truth with explosive dynamics, infinite depth, and holographic imaging.

Nothing we’ve built comes close. Once you hear it, there’s no going back. It’s not just a preamp. It’s a revelation.

Overview

The Paul McGowan Signature Preamplifier is a statement of what's possible when nothing is held back. Designed by Darren Myers and carrying the name of our founder for the first time in 50 years, this is the culmination of a lifetime of innovation. Fully balanced from input to output, every stage features zero-feedback Diamond buffers for unmatched speed, transparency, and control. A high-resolution stepped attenuator ensures precise volume with 1/10th dB channel accuracy, revealing microdynamics with lifelike precision.
At its heart is a revolutionary power supply that eliminates traditional electrolytic capacitors, replacing them with long-life, sonically superior film capacitors. The result is lightning-fast transient response, deeper silence, and greater dynamic swing. Housed in a double chassis construction that shields against noise and interference, the PMG Signature achieves a noise floor of -145dB—so quiet it’s not there.
What you hear is exactly what was recorded—nothing added, nothing taken away. No glare, no grain, no veil. Just the music, uncolored and alive. The PMG Signature is the finest preamplifier we have ever built.