PHASER 4 (Aluminium Panel)

4-Stage analog phase shifter with 2 waveform internal modulator

The EMW analog 4-stage Phaser produces one of the deepest and most powerful effects used in electronic music. The analog phase-shifter effect differs a lot from the one created by digital processors mainly because it features a warm and penetrating sound characteristic that is very hard to emulate, This is a must have module for any modular synthesizer setup.

http://www.electronicmusicworks.com/eurorack/phaser-4.html