Pittsburgh Modular Filter

Pittsburgh Modular Filter is a modular synthesizer filter module designed by Pittsburgh Modular. It is a voltage-controlled filter module that can be used to shape the sound of a synthesizer. It has two filter modes, low-pass and high-pass, and can be used to create a wide range of sounds. It also has a resonance control, which allows the user to create a range of sounds from subtle to extreme. It has been used by a variety of artists, including Aphex Twin, Nine Inch Nails, and The Prodigy.