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Question about Rockford Fosgate Power 501BD Car Audio Amplifier

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Rockford Fosgate 501bd question

Would my Rockford Fosgate 501bd amp (300 x 1 @ 4 ohm, 500-600 x 1 @ 2 ohm) push two 10" Kicker CVR subwoofers? They handle 50-300 watts RMS at 2 ohm.

Posted by carco on

1 Answer

Anonymous

That amp should work fine with those speakers,just make sure that they(speakers)are wired for 2 ohms.at 500-600watts coming from amp, you should be getting 250-300 watts per speaker,just dont crank your gain too high on the amp.

Posted on Sep 01, 2007

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Can i use a 300 watt amp for 2, 800 watt woofers

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if subs are 4 ohm rated wire in parallel
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Rockford-Fosgate claims their latest V-power 1500bd is stable to 1 ohm, and I would think that your Oldschool would also be. The 2 wiring options for 3 subs with 2 ohm dvc would give you a 1.34 ohm load and a 3 ohm load. The 1.34 ohm option would mean more watts to the subs, but the amp will run hotter. The diagrams look like this:

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Using just 2 of the Kickers, you can wire 3 different ways, with final impedances of 0.5 ohms, 2 ohms, or 8 ohms. You do not want the 0.5 ohm load. It's bad for the amp. You don't want the 8 ohm load. It doesn't allow the amp to produce as much power. So that leaves only the 2 ohm, with coils in series and subs in parallel. It looks like this:

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Hope this helps. If it does, please rate as "FixYa".
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