>So rather than blowing $40 on the box above, anyone have an auto volume >circuit that sounds OK? Try a dynamic (range) compressor. They sound good if you use enough good parts. They are used commercially in recording studios (f.ex. to fit a symphonic orchestra into audio tape dynami range). Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads