Cwejman PH-4

The Cwejman PH-4 is a four-channel phase shifter module for Eurorack modular synthesizers. It was designed by Swedish synthesizer designer and manufacturer Cwejman. The PH-4 is a voltage-controlled phase shifter that can be used to create a variety of effects, including flanging, chorus, and vibrato. It features four independent channels, each with its own frequency and depth controls, as well as a master frequency control. The PH-4 also features a feedback control, allowing for more extreme effects. The module is capable of producing a wide range of sounds, from subtle to extreme. It has been used by a variety of artists, including Aphex Twin, Autechre, and Squarepusher.