Question about Rockford Fosgate P112-200 Car Subwoofer

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The wires on my sub came off - Rockford Fosgate P112-200 Car Subwoofer

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What wire's came off (speaker out or supply)

Posted on Jun 09, 2010

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I have a orion xtr 2150 and a hcca 10.4 what is the best way to wire this combo?


Hello. Quick answer...bad sub and amp combo due to fact that your sub needs a lot more power than this amp can produce (I'll explain later). But here is how you can do it: You can wire this dual 4 ohm sub in parallel or series. Parallel wiring would be to wire two the positive terminals on the sub to each other and wire two the negative terminals on the sub to each other. Thus wiring down the sub to 2 ohm. This what the amp would see. Series wiring would be to wire the positive and negative terminals on the same side of the sub to each other. Then wire the positive and negative terminals on the other side to the amp. Thus wiring the sub to 8 ohm. This what the amp would see. Illustrations can be found here: http://www.the12volt.com/caraudio/woofer_configurations.asp?Q=1&I=42#results


Your sub specs are 1500 watts rms (how many watts your sub needs to operate efficiently or its minimum requirement. It has the a peak wattage at 3000 watts that it can accept in short duration. Your amp can only produce 300 to 600 watts at 2 or 4 ohm respectively. So you would be greatly under powering the sub which would produce a weak unfulfilled sound. You need an amp that produces a true 1200 to 1800 watts rms. There is a great selection out there.

Sep 01, 2012 | Orion HCCA 10.2 Car Subwoofer

1 Answer

I have 2 amps instalkled in my car one is sony 1200w 2 channel amp for speakers and one is solid audio f2500d for 3 subs my sound and every thing was good but suddenly from yesterday im having trouble when...


First disconnect the CD head unit from the sub amp and see if the other amp works. If yes, the problem is the wires to the amp, the amp itself, or the subs/sub wiring. If no, the problem is the head unit--probably an internal short.
If the other amp works with the sub amp disconnected, reconnect the sub amp to the head unit, but disconnect the sub wires from the amp. Try the CD player. If the amp goes to protect with no speaker wires attached, the amp is bad. If the amp is OK, the problem is the subs or sub wires. Hook the wires up to the amp again, but disconnect them from the speakers. Try the player again. If the amp goes to protect, the problem is the amp wiring. If not, the problem is the subs. Check the impedance of each sub using an ohmmeter to determine which amp is out of spec.
Please let me know if you have questions, and thanks for using Fixya.

Jun 11, 2011 | Solid Audio F2500D 1-Channel Amplifier Car...

1 Answer

I have two kicker cvrs 2003 model wired at a 2 ohm load, one


Sounds like the sub is blown. Swap the two subs and see if the sound comes from the other sub in the original location as well. If not, then you have a bad sub. If the bad sound happens with both subs then you need to look at wiring and the Amp.

Mar 07, 2010 | Kicker CVR12 Car Subwoofer

1 Answer

Have 2 4+4ohm avi sl500 subs how do i wire it to this amp and what setings on this amp alpine mdr m1005 1000watt amp


using these subs will limit you to a 4 oh load to the amp witch will only let the amp produce half of it's power. the lowest ohm load that amp can handle is 2 ohm and the next lowest you can wire the subs is 1 ohm and that will over heat the amp and destroy it. so to answer your question first wire each sub like this diagram shows...
Wiring Option #1
1_4ohmdvc_2ohm.gif
then once both subs are wired this way you wire both positives from each sub to the positive side of the amps speakers terminals and wire each subs neg. to the amps neg speakers terminal. the wire is series parrelle and will present a 4 ohm load witch will be the safest to run with your amp.

Jan 19, 2010 | Alpine MRD-M1005 1000 Watt Mono Amplifier...

1 Answer

Loads


Hello ronnieyannon,

Yes. As long as the subs are paralleled, the final load is 2 ohms.

Hope this helps.

Oct 15, 2009 | Alpine MRP-M500 Car Audio Amplifier

2 Answers

How many svc subs at 4ohm does it take to get this amp to 1ohm stable and can you reccomend a good sub combo for this amp whether it be dvc or svc


It depends if your sub is 4ohm svc, or 2ohm svc. 4ohm would take 4 subs wired in parallel, 2ohm would take 2 subs wired in parallel. But for a amp that big, subs that'll handle it are definitely gonna be dvc. I'd recommend 2 Orion 4ohm dvc hcca's. They come in either 15in or 12in. the 15s are louder if you have the space for them. As far as wiring goes, wire the voice coils on the subs in parallel to 2ohm per sub, then wire the 2 subs in parallel to 1ohm. Goodluck and congrats on the equipment, Orion is about as good as you can go for subs and amps. just be ready to lay down some dynamat cuz this system'll bloww your vehicle apart! good luck...

Oct 08, 2009 | Orion 2500D Car Audio Amplifier

1 Answer

2 10 kickers not playing. . .


Hello zqueliz,

It's possible that the sub is blown, but it may be something else. You did not specify how the subs are wired to the amp, how many channels on the amp, or whether or not the CVR's are in separate enclosures. These specifics will affect how you isolate the problem.

1) Check all of the wiring: RCA's from head unit to amp, speaker wiring from amp to sub. Make sure there are no breaks in the insulation and that the wire does not come in contact with another wire or metal parts on the vehicle.
2) Remove the nonworking sub from the enclosure and check the wiring from sub to terminal inside. While you have the sub out, check the "braided" wires going from the sub terminals to the cone.
3) Reverse the wiring from the amp to the subs to see if the problem moves to the right sub. That will tell you the problem is not in the sub.
4) If the left sub still fails with the amp channels flipped, you find no wiring defects, and you can't see any physical damage, test the sub voice coil with a multimeter. Set the meter to read "ohms" on the lowest scale. The actual reading should be a little less than the rated impedance. If the subs are 4 ohm, the meter should read about 2-3 ohms. If the meter reads "0" (pegs) or if it reads "infinity" (no reading at all), the sub voice coil is bad.

Hope this helps.

Apr 29, 2009 | Kicker CVR12 Car Subwoofer

1 Answer

Sub Wiring


if you wire the subs in parallel you would achieve 2 ohms which would theritically double your rms, sadly this isn't the case what with wire resistance and such you might get around 270 rms still not that bad. to wire in parellel you run a positive off the amp to the positive on one sub then run a wire from the first subs negative to the second subs positive the run from the second subs negative to the amps negative and bam 2 ohms but be warned this will put more stress on your amp and cause it to heat up faster. peace bro and best of luck

Dec 14, 2007 | Phoenix Gold XS6600 Car Audio Amplifier

2 Answers

SUB WOLFER WIRING


im assuming you have 2 subs that are DVC? if thats the case, wire from the positive on the amp to the positive voice coil 1 on sub 1 to the positive on voice coil 1 on sub 2. then do the same with the negative sides. then on the second voice coil of sub 1, connect a wire from positive to negative. do the same for sub 2.

Nov 27, 2007 | Car Audio & Video

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