This Luminary octave generator provides advanced sound customization with 4 octaves, 3 presets and an epic steel sound. Achieve creative soundscapes with the modulation control unengaged. The Luminary's octave generator allows for ultimate versatility—everything from wide sweeping soundscapes to pin-point accuracy with 4 octaves, 3 presets and a powerful steel sound. Utilize the modulation control to fine-tune your sound for the best results.