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Robert B Coffey Posted on May 29, 2019
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I have a 4000watt monoblock BOSS BE4000CLASS D 1ohm stable, now I Know I can hook up 2 4ohm Dual Voice Coil subs to create a 1ohm load. My question is do both subs have to have the same peak or RMS power

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Franco Dosil

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  • Dual Master 10,542 Answers
  • Posted on May 29, 2019
Franco Dosil
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Hi Robert, whenever you put two or more speakers in parallel, the power handling must be equal in each speaker and the sum total of the power of the speakers, must be greater than the power of the amplifier, to avoid breakages due to excesses of power
I hope my comment has served you
Greetings Franco Dosil

Hola Robert, siempre que pongas dos o mas parlantes en paralelo, el manejo de potencia debe ser igual en cada parlante y la suma total de la potencia de los parlante, tiene que ser mayor a la potencia del amplificador, para evitar roturas por excesos de potencia
Espero te haya servido mi comentario
Saludos Franco Dosil
https://www.bossaudio.com/manual/BE4000D_EN_UM.PDF

5 Related Answers

Anonymous

  • 111 Answers
  • Posted on Nov 19, 2007

SOURCE: subwoofer wiring diagram

parallel wiring. hook all 4 positives together and run to the positive output from the amp, hook all 4 negatives together and run to the negative output from the amp.

hope this helps,
trin

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Anonymous

  • Posted on Dec 23, 2007

SOURCE: ma120xe sound horrible

Make sure that you have the subs wired in a 4-ohm series and not a 8-ohm load

Anonymous

  • 3 Answers
  • Posted on Apr 22, 2008

SOURCE: amp getting really hot

If depends on what the amp is rated to run. If it is only rated to run 2 ohms x2ch then it can only run 4 ohms x1ch. If you run it at 1 or 2 ohms that is too low, too much current, and it will get hot and eventually blow up under hard use. Some quality amps can live that way, and it depends on the sub and what frequency you are running it at. For normal use I would not recommend it. Wire to sub at 4 ohms x1 (or 2 ohms x2ch) for that amp if that is what it is supposed to be at, I'm not sure from your description. Also enhance cooling of the amp if you can, I run fans on mine if they have a heat issue. Warm is one thing, hot is another and not good for amp.

Alfred Bethell

  • 8 Answers
  • Posted on Nov 05, 2008

SOURCE: how do i wire a qvc subwoofer to a 3000w 1ohm stable monoblock amp

depends on the amplifier if you have a mono block amp or a regular 2 output amp if it is 2 output make sure to bridge and that means the negative to one output and positive to the other output then need to find out the rms on the speaker. the amp should have the ability to adjust it you might want to get a digital multimeter set it to watts and make sure you only set it to the RMS of the speaker because max handling should be the 1800 and usually the RMS is half the max so it should be 900 w again it depends on the amp and were the adjusting knob is and or if it has one

Anonymous

  • 655 Answers
  • Posted on May 26, 2009

SOURCE: got a 12"kicker L74ohm sub and sony xm-D9001GTR mono amp

Hello juan_penaloz,

The Kicker L7 has an RMS power range of from 50-750 watts and a maximum power handling capability of 1,500 watts so your Sony amp will power it OK. A more powerful monoblock like the Alpine MRP-M1000 or the Kicker 08ZX750.1 would provide even more power and could operate safely at 2ohms.

You have the voice coils wired properly for the Sony amp. It's OK to have the sub impedance higher, but you definitely do not want it lower than the 4ohms the amp is rated at in bridged mode.

Hope this helps.

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1answer

How should i hook up a visonik class D vxd709 to my dual voice coil 12" Treo subwoofer?

if your amp is a monoblock 2 ohm stable amp wire the coils positive to positive and negative to negative into a single channel that will create a 2 ohm load turn your amp down and adjust by ear till it sounds good if your amp is a 2 channel amp 4 ohm per channel wire each coil one per channel turn amp down and adjust by ear till sounds good hope i was helpful
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What's the best way to hook up 2 Hifonics hdl12d4 subwoofers to a mono amp

Ok, your post has two different models listed. Let's start with something you need to know about your amplifier. Is it one ohm or two ohm stable. This will make a difference. Also, whether your subs are single voicecoil (HFI12s4) or dual voice coil (HDI12d4).

Let's start with the easy scenario. Let's say your amp is two ohm stable and you have two single voice coil subs. It's simple. You go from the positive of the amp to the positive of both subs and the negative of the amp to the negative of both subs. This will provide a 2 ohm load to the amplifier, thus pulling all the power out of it.

Unfortunatley, if you have two dual voice coil subs, you won't be as efficient. You will only have the options of a 4 ohm load or a 1 ohm load.

This is where having a one ohm stable amp would come in handy. If the amp is one ohm stable, hook the positive of the amp to all 4 of the positives on the subs, and hook the negative of the amp to all 4 negatives of the subs. This produces a 1 ohm load.

WARNING!! If you have a 2 ohm stable amp DO NOT use the last wiring scenario. It will fry your amp.

Now, the last is a little trickier. This is for two dual 4 ohm subs. Follow closely. Hook the positive of the amp to one of the positives of each sub. (do the next step to both subs) Go from the negative of the voice coil that you hooked positive from the amp is hooked to, and hook that to the positive of the unused voice coil. Then go from the negative of that voice coil and hook to the negative of the amp. Make sure this is done on both subs. This will give you a 4 ohm load.

Hope this helps
0helpful
1answer

I have 4 wires what do they do I no to of thim will go to my Kicier ame I Ddont no were the other to go

OK, I am assuming that you have 4 wires coming from the subwoofer itself. Your subwoofer has dual voice coils, this means there are two positives and two negatives. Look closely at the posts on the subwoofer and you can tell. These wires will go to your amp, all four of them. Here's the tricky part. You need to know if your amp is a monoblock (single channel) or two channel amp. Also, what ohms is it stable at (4, 2, or 1). If you have a monoblock stable at one ohm, take both positives from the sub and put to the positive of speaker output on the amp. Then put both negatives from the sub to the negative speaker output of the amp. If your sub is dual 4 ohm voice coils, this will give you a 2 ohm load. If you have a dual 2 ohm voice coil sub, this will give you a 1 ohm load. If you amp is 2 channel, just hook one set of positive and negative to one channel and the other set to the other channel. Hope this helps
0helpful
2answers

I have a alpine type r 15 inch it has two hook ups i cant figure it out i have positive two pos and neg two neg and it keeps cuting out one bridge two amp plz help plz plz

Ok, for starters. Is your sub a dual 4 ohm sub? If so, great. Is your amp 2ohm stable? If so, then great. If you are running one sub, is your amp a monoblock (single channel) amp? Are you running a two channel amp Your subwoofer is a dual voice coil subwoofer. This means that you have to have power to both voicecoils or risk damaging the voice coils. Subs are designed with dual voice coils to give it more control over the cone movement. This results in better reproduction of sound. Anyway, back to wiring.

This is for a monoblock amp (you can also bridge a 2 channel amp) Go from the positive speaker out of your amp to the positive posts of both voice coils. Then go from the negative speaker out of the amp to both negative posts on the sub. And there you have it. It's called a parallel set up. Setting it up this way just dropped the ohms load for that sub to 2 ohms. Less resistance means more power to the sub. Hope this helps
0helpful
1answer

I got a 15w3-d4 sub and i cant get them to have any sound come out at 1 ohm and i have a 1ohm amp can you help me? the subs are a little older cuzz it has the - and + twice in one side and then twwice on...

The subwoofer is a dual voice coil sub. Each of those (+) and (-) goes to a voice coil. The sub can only be wired down to a 2 or 8 ohm load. For 2 ohm (which it seems like you want, so you can get the most out of your amp), you wire them in parrallel. Connect the (+) of VC1 and the (+) of VC2 to the (+) of your amp (I am assuming this is a monoblock amp), then connect the (-) of VC1 to the (-) of VC2 to the (-) of your amp. If your your amp is 2 channel, you can bridge them at the amp. (+) of one side to (-) of the other side. Series creates an 8 ohm load. (+) of amp to (+) of VC1 then (-) of VC1 to (+) of VC2, then (-) of VC2 to (-) of amp.
0helpful
1answer

Can I hook up 2 lanzar opti1532 subs 2 a kicker kx 1200.1 or do I need a bigger amp, its a 1ohm stable amp an birth sheet says 1390watts but they told me at 14+ volts it will do 1400rms

Based solely on spec sheet information the Lanzars can handle 1300 watts RMS and the KX1200 is rated at 300x1 @ 4 ohms, 600x1 @ 2 ohms, & 1200x1 @ 1 ohm. Even with a 1 ohm load you will still only be providing 600 watts to each sub. While the kicker will provide more power at 14+ volts, no car creates more than 12-13 volts via its alternator. A car battery only provides 12.6 volts. So you will be loking at 1200 watts from 1 channel as a best case scenario.

Additionally, with your 2 subs, they will need to both be Dual 4 ohm voice coils in order to net a 1 ohm final load. Each voice coil will need to be wired in parallel and then each speaker needs to be wired in parallel.
1helpful
1answer

Whats the best way to hook up my L7 10''

Hello ereza25,

The best way depends on what amp you are using to power the sub. With dual 2ohm voice coils, you can wire to either a 1ohm or a 4ohm final load. If you are sure that your amp is stable down to 1ohm, that wiring will provide the best power to the sub. But if the amp is not rated at 1ohm (many aren't), then the 1ohm wiring will result in overheating and possible damage to your amp.

The wiring diagrams are here. Hope this helps.
1helpful
1answer

Wiring hk12x2

Hello jose08042008,

Your sub has dual 2ohm voice coils and can be wired to present a final load to the amplifier of either 1ohm or 4ohms. Unless you have an amp that is stable at 1ohm (not many are), then you will want to use the 4ohm wiring. To wire for 4ohms, jumper the positive terminal of one voice coil to the negative of the other terminal, and connect the remaining positive and negative terminals to your amp. If you know for SURE that your amp is stable at 1ohm, you can connect both positives and both negatives together on the sub and then to the amp. But if the amp 1ohm stable, this will result in overheating, and/or going into "protection" mode, and/or damage to the amp.

Hope this helps.
0helpful
1answer

Wireing diagrams

Hello stingerman20,

Your Directed D2400 amp is CEA2006 Compliant. It is stable at 1ohm and will produce 1,200 watts into that load. So you want your subs wired as close to 1 ohm as possible.

The only 3500 watt Pioneer Premier series subs I could find were the models number TS-W3002D2 and TS-W3002D4 with dual 2ohm and dual 4ohm voice coils respectively. The wiring options for the D2's result in 0.5ohm (too low), 2 ohms, and 8ohms. Your best option would be the 2ohm configuration which would be voice coils in series and subs in parallel. Options for the D4's result in a 1ohm load and a 4ohm load. Your best option would be the 1ohm configuration which would be voice coils and subs parallel.

To see the wiring options, try Rockford-Fosgate's "wiring wizard".
Select 2 woofers and the appropriate voice coil impedance and quantity and click "search". It'll bring up all of the possible wiring configurations along with the final impedance load.

Hope this helps.
0helpful
1answer
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