KRM61 size 1.05 MB KRM61 is a reasonable emulation of the 1982 Korg Poly61. 2 DCO’s (DCO1-saw/square/pulse DCO2-saw/square) VCF – 4 pole LP filter EG (env generator/ADSR) shared with VCF/VCA MG = LFO – sine modulation of DCO Pitch/PW/VCF Cut Off ...