M muffmanaj 10+ year member Member 46 0 iowa Apr 23, 2002 #1 hi i have a jbl 1200.1 and two alpine r series in a subzone box i have the low pass set on 80 on the head unit and whenever i turn the low pass filter on the amp up at all it sounds muddy please tell me why???? Click to read more...
hi i have a jbl 1200.1 and two alpine r series in a subzone box i have the low pass set on 80 on the head unit and whenever i turn the low pass filter on the amp up at all it sounds muddy please tell me why???? Click to read more...
audiolife 5,000+ posts WhAt? 15,915 0 indiana Apr 24, 2002 #3 make the box smaller and lower the x over point to about 60