The Apollo II combines a lush, all-analog 4-stage phaser circuit with our exclusive tap tempo microprocessor. It offers a variety of distinct waveforms accessible via an 11-position detent control which can be used in conjunction with 3 different rhythmic patterns providing a vast array of unique phasing options. Waveforms include more conventional sine and triangle based shapes in addition to step phasers, combined settings, randomizer and manual phase control.
Find Out more at: http://solidgoldfx.com/products/apollo-ii