BAX2020

Baxendall Equalizer

This unit blends the use of the Baxendall EQ, with the signal path similr to that of an API module, using class A discrete opamps (DOAs), and optional output transformers. This can be driven quite hard to get the full harmonic sweetness of the classic DOA path, or backed off to just enjoy the smoothness of this classic EQ.

The Baxendall equalizer is a simple shelving EQ, but unlike traditional shelving EQs, which have a steep rise above a set frequency (i.e., 2kHz), a Baxandall shelving curve (named after Peter Baxandall) exhibits a gently rising slope (or falling if you are cutting at a certain frequency), which sounds a lot more natural. These gentle slopes also mean that the signal does not suffer so much phase distortion that other EQ designs can introduce.

What is a Baxendall EQ?

The Baxendall equalizer is a simple shelving EQ, but unlike traditional shelving EQs, which have a steep rise above a set frequency (i.e., 2kHz), a Baxandall shelving curve (named after Peter Baxandall) exhibits a gently rising slope (or falling if you are cutting at a certain frequency), which sounds a lot more natural. These gentle slopes also mean that the signal does not suffer so much phase distortion that other EQ designs can introduce.

How Does It Sound?

As the EQ is so versatile , it complements so many instruments, or can really sweeten a mix or stem.
The guys @Soniccircuitry has made this sample video showing its use on a variety of sources.
The unit used here is the BAX2020 Classic

https://www.popeaudio.co.uk/