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How to get 2 omhs

12" subs

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Look on your speakers to see what ohm they're rated at currently. To get 4 ohm speakers to 2 ohm, simply wire the speakers in series. Meaning that you hook #2 sub to #1 sub and then to the amp. So you will have 1 connection to the amp but you'll be operating 2 subs. Hope this helps

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

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1 Answer

I have the Alpine MRP-M1000 amp. I want to use 2 subs with this amp. Which Alpine subs would work best with this amp?


this amp is rated at 600w at 4 ohms and 1000w at 2 ohm so as long as you calculate your speakers to match the ohm specs of the amp you can hook up

parallel = pos to pos and neg to neg of the 2 speakres
2 - 8 ohm speakers in parallel = 4 omhs
2 - 4 ohm speakers in parallel = 2 ohms

series = pos to neg of the 2 speakers
2 - 1 ohm speakers in series = 2 ohms
2 - 2 ohm speakers in series = 4 ohms

Feb 22, 2011 | Alpine MRP-M1000 Car Audio Amplifier

1 Answer

Can you hook up two 12 inch subs to a 1000 watt amp?


need more info well you need to look at the subwoofer and see how many watts it can take and if it 2 ohm or 4 ohms single or dual voice coils and on your amp is it mono or 2 channel and what is the omhs for it

Mar 11, 2010 | Alpine SWS-1223D Car Speaker

1 Answer

I have two 12 in. subs single voice coil and need to know if could run a 1 omh stablb amp and if yes and how


Yes, you sure could. Each sub is a 4 ohm load. When you put them in a box connect a wire from the + terminal on each speaker, and connect that to the + terminal on the box. Do the same from each - terminal, connecting to the - terminal on the box.
This is called "wiring in parallel" and it will split the load in half, so you present a 2 ohm load to the amp. Since your amp is rated down to 1 ohm, it will work just great.

Feb 07, 2010 | Kenwood 12" 4-Ohm Single-Voice-Coil...

1 Answer

I have a amp with switch that says high power & high current


The ohms rating measures the electrical resistance of the subs(impedance). On the subs there is usually a label that tells you what the impedance is for that particular sub,example= 4 ohms . The only way you can get to a 1 ohm load or less with a pair of tens is if each sub has dual voice coils that are 4 ohms each wired in parallel. Generally Sony xplod's are a single coil 4 ohm woofer-yours might be the exception in this case .To figure out your resistance say with 2 subs that are 4 ohms you have to know how you intend to wire them for instance if your amp puts out a fair amount of power @2 ohms and thats the number you want to hit than you will want to wire the subs in parallel( + to + and - to -) wiring in parallel lowers the resistance.(ohms) If you want to hit 1 ohm and you have dual 4 ohm coils then wire all 4 coils in parallel and that will then be a 1 ohm load. Its simply a matter of dividing the ohms by the number of speakers that you intend to connect. if you had 3 10s that were 4 ohms each and you wired them in parallel the ohms would be 1.33 (as 4 divided by 3 is 1.33)(4 divided by 2 is 2) (4 divided by 4 is 1) On the flip side wiring in series will raise your impedance-a pair of 4 ohm subs wired in series gives you an 8 ohm load 3 subs gives you 12 ohms and so on. I wouldnt worry about the high current switch unless youre planning on taking it down below 1 ohm which it sounds like you arent currently set up for.

Jan 31, 2010 | MB Quart RWE 352/354 15" DVC Subwoofer Car...

1 Answer

Amp goes into protect when turned up.


that amp is only stable 2 about 4 omhs mono the powersupply shut dowm drawing t much current it supposed 2 2 fix this u need a 4omh load mono change speaker config so u get 4 omh or buy amp stable down 2 1omh can be expensive

Aug 28, 2009 | Sony XM-2002GTR Car Audio Amplifier

1 Answer

Wiring


Usually an 800 watt peak sub would be a 400 watt rms. Hmmmm. Anyway, just bridge the amp (1x 380) nd keep the gain up enough to stay clean. Watch the sub and turn up gain until it starts to distort, then back it down a hair. Do this with the CD players volume up 2/3 to 3/4 volume with the BASS and treble at zero (bass better at minus 4 or so if you are a bass head! Hope thishelps.

Larry T
Winona Lake, IN
http://www.cybersoundsaudio.com/cybersounds/vehiclepics.html

Jan 27, 2009 | Pioneer GM-5300T Car Audio Amplifier

1 Answer

Sub does not operate


There could be many issues, from fuses in your amp, to power getting to your amps, to "low" impedance on your amp, and the circuit shutting down. Or it could even be your head unit, perhaps there is a setting on the HU that turns ON/OFF the subwoofer. BTW, you are running to low of an impedance on that amp. If my memory serves me correct, the lowest impedance that they JL Audio recommends is 1.5 Ohms.

Jun 25, 2008 | Orion H2 12.2 Car Subwoofer

3 Answers

Sanyo DP42746 42 in. Plasma No Video


to test all y sub boards remove the main power connection to the y main and turn the tv on if it powers on one of those boards are bad.. remove both sub boards. and plug in the y main. if it powers on then that board is good either, put your multimeter on 2k omh and test the upper ysub boards black connector, the top 2 pins with negative to the 5th pin positive. you should read 500-1k ohm if its way under 100 there is a short.

the bottom ysub board place the multimeters black probe on the bottom 2 pins of the black power conection and the red on the 4th pin.. results are the same.

low resistance means theres a short in the board.

Apr 12, 2008 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Need to know


I'm assuming that you have an amp that you are installing these to. Its always tricky installing subs of different impedances. Do you have the model number of the amp that you are hooking them up to.
Most likely if you have a 2 channel amp, you would connect one sub to each channel as most amps can handle a 2ohm load in stereo, but don't bridge the amp with these two subwoofers without specific instruction from someone with experience as you will most likely overlad the amp. If you can be more specific with your set-up I'd be able to assist you more.

Mar 30, 2008 | Alpine Type-R SWR-1042D Car Subwoofer

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