Strymon Zelzah Multidimensional Phaser - UsedThe Zelzah Multidimensional Phaser from Strymon offers two fully independent phasers in a single, 2 button stompbox. The 4 stage phaser sweep allows you to blend between classic, barber pole, and envelope filter style phasers, while using the Mix control knob to achieve a range of tones from harmonic tremolo to attack induced pitch modulation. The 6 stage phaser side allows you to blend your signal on broad spectrum of flange and chorus tones using