I'm trying to figure out why is it that my cdi-300's go off beat. I burned two CD's according to specs on the CDI 300 manual, which indicates that cd must be burn at the lowest speed possible. When I place two cd with the same track and I have them at 136.02 bpm one would start dropping and it wowuld go down to 80.03 bpm or 112. I wowuld like to know if I'm the only one with this problem or does it happen often, and if so, how do I fix it?