Question about Rockford Fosgate Car Audio & Video
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Posted on Jan 02, 2017
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
Wire it in a series. One wire from amp positive to one positive speaker terminal. One wire from amp negative to negative speaker terminal. This should leave one positive and one negative termianl on the sub. Use one additonal wire to connect these two, this wire should not be connected to anything else other than the two remaining terminals. This will allow you to have the music up louder with higher amp settings without having to worry about blowing the speaker as easily.
Posted on Jun 28, 2010
SOURCE: i just needed some help
Well i tried looking up that amp, but Fosgate sight is down. So assuming that the best power out of your amp is 2ohms off the bridged hookup, and the subs are 4 ohms per coil, the best way is to only use one side of each speaker and hook it straight the the bridge. Only using one hook up wont hurt anything, its just for giving you wiring options. And when adding up ohms of speakers, it goes like this. If you had two 4 ohm subs, that'll give you a 2 ohm load. If you hooked up all your hookups, it would be like having four 4 ohm subs, and would give you a 1 ohm load.
Posted on Jan 19, 2011
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