Mach stereo bypass? - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 03-06-2010 Thread Starter
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Mach stereo bypass?

Anyone know the best way to bypass the crappy amps for the woofers in the mach system? I installed some subs and a new deck but the stock amps make the door speakers sound horrible! Is there a harness out there that will take care of it? Can I just take the amps out and hard wire it? Help please!

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post #2 of 8 (permalink) Old 03-06-2010
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i had the same problem when i changed the head unit i had to put the stock unit back on beacouse the sound was horrible i spoke with a tech at a sound store he told me the only thing was to rewire the hole car and get new amps because the amps from the system are design to work with with the stock head unit

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post #3 of 8 (permalink) Old 03-07-2010
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I have a full clarion pro audio system in mine, and everything had to be hard wired in, has something to do with the impedence or output strenght of the factory amps/ signal that comes out of factory radio is 1-2V whereas for most aftermarket its 0.5-1V. Hence, why most aftermarket amps have an INPUT SENSISTIVITY switch on them.
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post #4 of 8 (permalink) Old 03-07-2010
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I know Crutchfield sells an adapter to go from aftermarket decks and continue using the Mach 460 speakers and amp. Not sure if you have used this or spliced in somehow or if it would make a diferrence in how they sound compared to now, butttttt, figures id chime in and say something. Thinking about installing a new deck, amp, and subs that I have and not sure what route to go either. Let me know if you figure anything out and I will do the same. They have 2 different ones I think at Crutchfield, they could probably tell you exactly what one would be best for your app.

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post #5 of 8 (permalink) Old 03-07-2010
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One guy claims he used this and it worked for his Kenwood aftermarket-
Factory System Integration Adapter 1995-up Ford/Lincoln/Mercury/Mazda/Nissan at Crutchfield.com

Probably would call Crutchfield with your decks Model # and they tell you if it would work

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post #6 of 8 (permalink) Old 03-07-2010
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You will have to get a Pre amp and wire AT LEAST the rear speakers into it. This will allow you to turn up the gain and various levels in order to match the input sensitivity on the factory amps.
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post #7 of 8 (permalink) Old 03-10-2010 Thread Starter
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Thanks for the help guys! I'm going to try the harness from crutchfield maybe that will work.. I hope! other wise I guess Im gettin new speakers and hard wiring... Ill let you know if it works
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post #8 of 8 (permalink) Old 03-10-2010
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I had the harness from Crutchfield. And it Worked fine. I now have one I bought at a local audio place and it works great as well.

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