KOMA Elektronik announced today that the Poltergeist Quadraphonic Audio Mixer for Eurorack systems is in production and has begun shipping. The new Poltergeist Eurorack module lets you manipulate up to four audio / CV signals quadraphonically or stereophonically, in what Koma Elektronik is calling “new and ghostly” ways. The module lets you mix and control… Read More KOMA Elektronik Ships ‘New and Ghostly’ Poltergeist Quadraphonic Audio Mixer