Hi, 1st post...I have a DC150 that only occasionally makes loud transient pops....otherwise sounds great with my dual JBL speaker system(running Cabarets w/e140-2225 drivers in parallel w/ homebrew-3115A,d-140,2445's). Any ideas on the problem...caps?...using preamp side of a Marantz 1060 presently...Thanks! Oh yes, I have a MC2200 on the way...my 1st Mac....a good Mac?? Thanks again!!