Here's what's going on at efm lately, Adding VC-Q to the ms20 vcf.... http://www.xavax.com/efm/diy-pcb/vcf8e/pics/vcf8b-sd.gif opamp-q res , vc-q res , vc-q sweep , opamp-q sweep mp3 http://www.xavax.com/efm/diy-pcb/vcf8e/pics/vcf8.mp3 VC-ADSR / VC-AD LFO w/overall VC-Responce / Rate.... http://www.xavax.com/efm/diy-pcb/vcf8e/pics/vcadsr4a.gif -tg