Quote:
Originally Posted by TbeaunTx
For the Audio-heads here, I have a couple of questions...
1) Does anybody know the crossover frequencies the Monsoon amp uses to separate the front tweets from the Mid-bass door speakers?
2) I did some tests prior to doing speaker replacements to get rid of some of the factory cheap hashy inarticulate sound, and I noticed something weird. When I fade all sound to the front I lose almost all bass output from the Sub. When I fade all sound to the rear, the bass returns, but the sound from the rear speakers reminds me of my first transistor radio from the 70's - complete $#!+. Does anyone know the low-pass and high-pass frequencies used for the rear speakers or is the output to them full range (I tend to doubt it). I was hoping to do a front speaker upgrade and cut the rears altogether, as any true audiophile would do...but I wanted to avoid the cost and hassle of upgrading the amp if possible. I've found with some of my other cars (BMW's etc) that the factory head units were often pretty good, but the sound was then ruined by cheap paper cone speakers and/or crap amplifiers. I have Onstar and would like to leave its function in tact without spending $1000's on this upgrade.
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If memory serves me correctly this has nothing to do with the Frequency's, you lose bass when you fade to the front because the Sub's Volume is in Sync with the rear speakers......I also hate to tell you this but if you really want the nice clean sound then you'll need to replace the factory Monsoon Amp (it's to weak to drive upgraded speakers properly)...Since you are already plan on cutting out the rear speakers I would purchase an Alpine PDX 4.150 and use it to run your new front's and bridge the other two channels and run an upgraded subwoofer.
You can get the wireing diagram from your dealers parts department and use the Low Level out's from the Stock head unit to drive your new amp.
Trust me $400 later you'll be much happier.....I hope this helps....
Martin
