Question about Rockford Fosgate Car Audio & Video
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Posted on Jan 02, 2017
The subs can be wired "parralel" or in a "series". it depends on the ohm rating of the speakers and the amp. Most amps can only go down to 2ohms (mono) so it depending on the ohm ratings of the speakers when wired in a series vs parralel that will decide how to wire them. you can always take the safe route and just wire the positives of each to positive on the amp and the negatives to the negatives on the speaker terminals. Do you have the speakers model numbers?
Posted on Dec 22, 2007
if your sub will handle it, bridging it will give you more power. The best thing to do is to find out how much power the amp puts out ( RMS ) and if it is in your power handling range bridge it. It sounds better and gives you a harder punch because of more power.
Posted on Feb 06, 2009
Is the problem much more noticeable when the car is at idle? Double check that Alternator output. 70 amps is not high output, and if the problem is especially noticeable at idle, it's probably due to the alternator putting out lower voltage( a common thing with alternators). Also, with that much draw from your sub amp, the wire from battery to alternator should be beefed up, as well as the ground wire from battery. You can make up your own cables by purchasing the wire to length and wire lugs at a local Welding shop, 4 gauge from alternator to battery is good. High output aftermarket Alternators shoot into the 200 amp range.
Posted on Aug 20, 2009
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