In a message dated 4/28/2007 4:30:08 PM Pacific Daylight Time, andrew.skotdal at krko.com writes: Can anyone suggest a rack-mount D/A converter and a rack-mount summing to mono device to go with it? Call Uncle Don at BTI in Sedrow Wooley Andy. He's got all that stuff. tm ************************************** See what's free at http://www.aol.com.