The Maxx and Mad Mouse get a 4P diode ladder LP VCF. I didn't like the BP VCF in the MM so the EMS got another chance. Worked out pretty nicely. There is a wave file on the page. http://www.tomg.vivid.net/maxx/page_033.html http://www.tomg.vivid.net/maxx/pics/vcf6a.wav -tg