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.

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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
yes, but you would not get the same performance as you would if you gave them the suggested power. I have found that it is always better to use a more powerful amp than your subs are rated for (as long as it is clean, high quality, low distortion power). I have had the best luck with name brand amps (kicker,rockford fosgate,phoenix gold,etc...). I hope this will be helpful to you.

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I have 2 12 inch kicker crv subs and want to run it with a rockford fosgate 360a amp what is the best way to wire it up for maxuim bass???
I would bridge down to to 2 ohm mono.
2-12-inch-zb4bomd1rt4qms0dqd12kkt2-3-0.png

Jan 22, 2011 | Rockford Fosgate Car Audio & Video

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I had Rockford Fosgate P300-1 Amplifier installed professionally with a Kicker CVR10 10 in Subwoofer in 2010 Comaro. My problem is that it causes an odor in my car. I took it back to Mothers window tint...
your kicker cvr subwoofer should have a max power of 1600 watts therefore your amp is not too much for the sub because the p300-1 amplifier has a max output of 900 watts. if anything your amp would not be enough to produce max power out of your subwoofer. your sub should not produce an odor unless you have your amplifier bridged which doubles the watts pushed to your subwoofer and if that is the case your amp is pushing 1800 watts to a 1600 watt sub which could be causing it to fry or possibly blow soon. other than that if thats not the case there shouldnt be a problem.

Dec 31, 2010 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

How to hook up two 10" kicker cvr for best sound
If they are single voice coil and are 4 ohm you can bridge your amp and run both speakers off of it so your amp sees a 2 ohm load....better bass that will hit harder....(series wiring) look it up on google....

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How do i wire a kicker cvr if it has two reds and blacks
the sub is a dual voice coil, and depending on how you wire them, gives you different bass response as it drops the ohms in your amp. it can be wired for 2 ohms one way 4 ohms another way or 1 ohm depending on what ohm the coils are. to learn more about this got to rockford fosgate.com, click support, then click woofer wiring wizard, this will answer all your questions about dvc subs.

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How do i wire my solo-baric L7 12"
how should i wire my s12 L7 2 ohm dual voice coil to my JL 500/1 amp

Sep 15, 2009 | Kicker Solo-Baric L7 S12L7 Car Subwoofer

1 Answer

Overheating amp problem...easially fixed, i think....
depends on the sub rating.

if subs are 2 ohm rated you can ONLY get 1 or 4 ohms..
2x2=4ohm series
2/2=1ohm parallel

if subs are 4 ohm rated wire in parallel
4/2=2ohm

look it up google for diagram if you need one.

Aug 06, 2009 | Car Audio & Video

1 Answer

I have a rockford fosgate 501bd amp the protect light comes on when my deck turns on even with no speakers connected
un hook the subs and let the amp sit there on if the protect light shuts off you wired your subs wrong if it doesnt go off tun it off then back on with no sub music all the way down then slowly turn the music up if the light is off then comes on you need new rcas

May 03, 2009 | Rockford Fosgate Power 501BD Car Audio...

1 Answer

Rockford fosgate 800 a2 amp power?
Hello desperate2le,

Watts delivered is a function of the voltage times the current. If the amp was 100 percent efficient, it would need 33 amps at 12V for 400 watts. At 14.4V, it would only need 28 amps. Of course, amplifiers are NOT 100 percent efficient, only about 50-60 percent in many cases, but somewhat higher for monoblocks, maybe 80-90 percent. So you're looking at a fuse in the 60-80A range. In the absense of a specific fuse size from the manufacturer, I'd start the primary fuse at a 60A and if the amp blows it on power up/immediately/frequently, move up to an 80A.

All of the Rockford-Fosgate 2-channel bridgeables I've ever seen show using the left positive (+) and the right negative (-) for bridging. But if it's not shown right on the amp, I'd call or email RF for the correct connection. The new amps do show it.

Hope this helps.

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1 Answer

Sub Wiring
Hello jtkpay,

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:

97d7e1b.gif
Hope this helps. If it does, please rate as "FixYa".

Apr 27, 2009 | Rockford Fosgate Power 1500BD Car Audio...

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