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Aug 10, 2009 · Coaxial speakers handle low and mid range frequencies and you use tweeters to handle the high frequencies, but the amps from the mach sound system use filters to send low range frequencies to the big speaker in the door and the mid and high range frequencies to the little speaker at the top. there aren't a whole lot of options for a 2 and a ...
Mar 2, 2004 · In the case of the Mach 460, the amps aren't capable of driving 4 ohm speakers the way the system is configured. FalconGuy, I don't advise using the factory amps and speakers when installing a new head unit.
The problem with the main speakers in the Mach 460 sound system is that they also work like subwoofers. If you replace them with aftermarket speakers, which normally only handle the midrange, you'll lose most if not all bass from the rear.
Plan 1 replace and rewire the front speakers with either Focal PS165V or JL Audio C5 570 Evolution powered by a JD400/4 amp, remove the rear 5x7 speakers, Mach amps and install either a 10”w3, 12”w3 or 10”w6 in the trunk flush against the back seat no rear speakers.
The 2.75” full range speakers are regular old 4ohm speakers but if you simply replace them with a normal 3/4” or 1” tweeter, you’re going to have a big hole in the spectrum between the 300hz cutoff of the woofers and the 2500~3500hz where normal tweeters start.
Sep 13, 2002 · I just got a new head unit installed yesterday that puts out 52 watts per channel, and now the speakers really sound like sh**. If I turn it half way up they start popping and hissing. Really you need to look at a car with the system and one without and see all the work it will take.
May 17, 2008 · If one amp powers the left side (front & rear) and the other amp powers the right side (front & rear) then the problem may be unbalance speaker resistance. I think this is the case with mach amps. You need four speakers with equil resistance.
