Box Modulator by Swarm Audio published on 2013-03-19T14:00:03Z Cigar box ring modulator with optional on-board ramp carrier wave. Switch between external or internal carriers. Rotary controls for internal oscillator level and pitch. External signals in this demo are an 808 kit from a DR-660 and an arpeggio from a Shruthi-1 from Mutable Instruments. 0.00 808 0.11 Shruthi 0.31 808 x Shruthi 1.49 808 x On-board ramp 3.08 Shruthi x On-board ramp.