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How to keep a 4ohm dvc 4ohms at the amp??? - Car Audio & Video

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Robert Struzinski

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Run 1 voice coil per amp output, if you only have 1 amp then just run 1 coil! You don't have to run both coils, if you look into why dual voice coil subs were originally invented you'll find out that the second voice coil is not made for increasing the overall sound output but just the opposite. They would read the output of the sub with 1 VC connected and they would connect a special passive network that would only allow the frequencies through that would bring the highest peaks down by reversing polarity on those select high peaks which effectively acted as an equalizer for that sub. Now the 2nd coil is there to get the most from an amp, you can try both could and see if your amp stays on or gets hot, some Amos will actually put out less watts when the resistance is lowered (some digital amps) other AB circuit amps will almost double the output but as a result they can overheat it they don't have enough heat sink to remove the heat or will tur:off completely since it's protecting a curcuut that isn't designed to carry that much amperage through the transistors or the power supply isn't able to supply the needed current to run the amp. But sometimes amps are rated at 4 ohms but can be ran lower without any harm as long as they are properly cooled. Read up on your amp to see what others did. Amps are cheap just buy another one when you burn up the line you have now. I wouldn't even worry as long as it stays one with both coils connected, make sure you are using the correct size wire from the battery to the amp .before you do anything, make sure it has a fuse that's dated for that gage wire as close to the battery as possible. I would use a 4 gage wire no matter what watt amp you have as a minimum size. You can always runs 2nd wire or change to bigger if you need too. Wire gages are determined by how many amps it needs to carry and how long the wire needs to be. Check the charts in line before you end up burning up your amp or your car or your sub or all 3 due to lack of voltage and current at the amps input. If you fail to do these things you will have nonstop problems and possibly a car fire. Good luck! Car stereo takes some serious planning before you do anything. Plopping an amp in the trunk and using 16 gage speaker wire is just a bad idea and you'll end up with a burnt sub and amp. Don't say I didn't warn you. Been doing this for 40 years used to compete, I know how kids think, you dont even know the basic ideas so how can you expect this to ever work or sound good? Each piece needs to match up with the other pieces in the system or you're just wasting your time and money. Things don't need to be expensive but they need to be used correctly and installation is 90% of how it will sound. You might not agree right now but in 5 years after you've burned up enough stuff you'l l finally get it.

Posted on Sep 20, 2021

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Robert Wooley

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If your sub woofers are DVC 4OHM: Connecting three together in Parallel/Parallel would make your amplifier run a 0.67OHM load or if connected Series/Parallel then you would have a 2.67OHM load. If your sub woofers are DVC 2OHM: Connecting three together in Parallel/Parallel would make your amplifier run a 0.36OHM load or if connected Seies/Parallel then you would have a 1.67OHM load and Series/Series a 12OHM load. So if your sub woofers are really DVC, it would be impossible that your amp would be playing 4OHM. The numbers just don't add up. There are amplifiers out there that can deal with 0.50OHM loads but expect them to be on the pricey side, but fairly so, because mostly higher end brands tend to manufacture them and are usually pretty good. Remove 1 of the sub woofers. If i knew what the subs where 4 or 2 OHM DVC and what amplifier you are using i would tell you how to connect them for the best possible result. hope this helps dreamsystems
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How to connect dual vouice coil to amp

Hey well your gonna need to give more info. is the sub dual 2ohm dual 4ohm. if you have a dual 2 ohm you wire one + to one- (like a jumper wire)and then your other +.- go to your amp as 4ohms, if you have a dual 4ohm model and your amp can handel 2ohm stereo then wire your +to+ to +on the amp and the same for your -. it will bring a 4ohms to 2 ohms by connecting pos. to pos. and neg.to neg. then to your amp.
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I want to know the best subwoofer wiring diagram for three kicker cvr 10 inch subs, 2 of them are dvc 4 ohm and 1 is dvc 2 ohm, the amp that i am using is jl audio 500.1 1.5-4ohms stable. can anyone help...

if the amp has a 2 outputs then i would wire the two 4ohms together, and the 2ohm by itself. and if its a 4 channel output then wire them all sepretly, if its a 1 channel output then wire the two 4ohms together and leave the 2ohm sub out
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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...
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How do i bridge 2-4ohm dvc's to a mono block

If you have a DVC 4ohm speaker, and you are using both voice coils, the amp is seeing a 2ohm load.
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Wire each subs voice coils in parallel.(Positive to positve, neg to neg.) (2ohms) each.
Then wire the two subs in series.(Neg from amp to neg of sub one, pos of sub one to neg of sub two. then pos of sub two to pos of amp.

If it sounds too hard, leave it as you are already running the amp at two ohms.
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I have a Pioneer GM-5300T amp wired to a 10 inch kicker sub. The music plays throughout the speakers of my car but the sub goes in and out. I noticed that the amp's power light dims when the sub goes in...

Hello pburgfootbal,

You do not specify which Kicker sub you have or how it is wired to the amp. The GM-5300T is only stable to 4ohms in bridged mode and if your sub is a 4ohm DVC with the coils in parallel, it presents a 2ohm load. If the sub is 2ohm DVC with the coils in parallel, the load is only 1ohm. Either configuration would be too low of an impedance for the amp in bridged mode. I'd check the sub specifications and make sure that the wiring configuration properly matches it to the amp.

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HOW TO WIRE ONE DVC SUBWOOFER TO A PHOENIX GOLD TRANTRUM 1200.1

Hello matt225281.

Since the Tantrum only lists specifications into a 4ohm load, you need to make sure that the final impedance of your DVC sub is 4ohms or greater. So a sub with either 2ohm or 4ohm voice coils needs to have the coils wired in series with a jumper between the positive of one coil to the negative of the other and the remaining positive and negative to the amp speaker terminals. Paralleling the voice coils will result in a 1ohm or 2ohm load to the amp and it will overheat, go into protection or possibly fail completely.

If your sub has 2ohm voice coils, the load will be 4ohms which allows the amp to produce maximum power. The final impedance with 4ohm voice coils will be 8ohms. The power will be reduced, but the amp will operate without overheating.

Either set of the speaker terminals on the amp can be used. They are connected internally so it doesn't matter which one you use.

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Hello brysonford00,

The wiring configuration depends on what final impedance you want the amp to see. If the subs are 4ohm DVC's, you can wire them to present a 2ohm impedance or an 8ohm impedance. The diagrams are here. If your subs are 2ohm DVC's, the wiring is the same. The impedances will be 1ohm and 4ohms.

Hope this helps.

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Hello joverstre525,

Sure, just wire both voice coils in parallel to the amp output terminals. The "wiring wizard" here shows the possible wiring options.

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Can i kook up 4ohm dvc sub to a kac-x810d amp?

No, the sub is dual 4ohms...meaning if you parallel the positive speaker terminals and the negative speaker terminals you will have a 2ohm sub. Conversely, if you series the pos and neg you will have an 8ohm sub. if you wirte to just one set of terminals on the sub you will have a 4ohm sub.

I’m happy to assist further over the phone at https://www.6ya.com/expert/robert_aad3edb7dfa380b9

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