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I just got a s12l7 dual 2 ohm subwoofer. i also have a zx750.1 amp from kicker. if you wire the sub parallel it comes out at one ohm and the amp is not one ohm stable. if i wire it in series it gives a 4 ohm load? would that work with this amp. would greatly apreciate your help. thanks!
Re: I just got a s12l7 dual 2 ohm subwoofer. i also have...
ABSOLUTELY!!!!! 4 ohms is the load that all amps are designed to play at. A lot of amps will play at lower loads but that equates to more heat. Less heat means longer amp life!!!
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Not sure what you mean by AB but being that this is a monoblock or 1 channel amplifier you can only hook it up 1 way. Verify the polarity from your speaker box. + to + and - to -. As far as your impedance is concerned this amp is stable to 1.5 ohms but for this case we will assume you have two 4 ohm subwoofers. When you parallel these together you will have a total effective load of 2 ohms on the amplifier. This is a stable operating impedance for the amp.
Other impedance options are:
two 8 ohm speakers = 4 ohm load three 8 ohm speakers = 2.66 ohms
If you have dual voice coil subwoofers then parallel the coils on each sub + to + and - to -. Depending on the impedance of each sub you may then have to wire the individual subwoofers in series. Here is an example.
2 dual voice coils with 4 ohm taps
Each subwoofer with the coils in parallel would be a 2 ohm load if you were to then parallel the two subwoofers together you would have 1 ohm total load on your amp. This is BAD for your amp. Your option is to run the subwoofers in series.
To run the speakers in series is simple. The + from one speaker and the - from the other will be connected to the amp. The other + and - from the speakers will be connected together.
There are 2 ways, parallel and series. Parallel is connecting the 2 positives terminals together, then to the + on your amp. Then connect the 2 negatives together, then to the - on the amp. It will look like a criss cross pattern on the back of the sub. Warning! this drops the Ohm load down to 2 or 1 Ohms depending on what model you have. If your amp can't handle it, it will cook your amp. Series is connecting Coil 1 + to coil 2 -, then coil 1+ to the amp + and coil 2 - to the amp -. This raises the Ohm load an makes it safe for the amp. This method does lower the power of the amp in half. Choose wisely! Please Rate!
With 2 speakers wired in parallel, the impedance will be halved, so you are presenting a 1 ohm load to your amp. Many amps can drive a 1 ohm load, but not all of them. Check the specs for your amp.
If it can't drive a 1 ohm, then you'll need to rewire them in series. 2 speakers wired in series will double the impedance, so you'll present a 4 ohm load when they're wired that way.
That's dependent on your subwoofers. You will need 2 dual 4 ohm subs wired in Parallel, a single dual 2 ohm subwoofer wired in parallel, a single dual .5 ohm wired in series. Or something similar.
This is a link to Kicker for your CVR12 Subs...if you have the 2 ohm version (2 ohms per voice coil) and you have 2 speakers ....you will need to wire EACH speakers voice coils in series to get 4 ohms from each speaker and then wire the 2 speakers in parallel.....as in....2 ohms in series with 2 ohms = 4 ohms....both speakers wired same way, then in Parallel with each other = 2 ohm load. Page 2 of this link gives examples of both series and parallel wiring of your speaker. http://www.kicker.com/sites/default/files/2006CompVX.pdf
If you are still not sure as to my description of ' How To',
PLEASE respond and I will attempt to explain it EXACTLY via wiring directions.
Your MTX 7801 is stable at 1 ohm, but you cannot wire a pair of DVC 2 ohm subs to that impedance. They can only be wired to 1/2 ohm which is too low or to 2 ohms.
Series the voice coils and parallel the subs. On each sub, jumper Black to Red/White Dot, then run both red's (positive) and both black/white dot's (negative) to your amp terminals.
You have a 2 ohm stable amp, and dual voice coil subs.. The L7's come in both Dual 4 ohm, and Dual 2 ohm, so you have to know what impedance your coils are prior to wiring. HERE is a nifty little guide that will show you how to wire your subs. DO NOT WIRE THE SUBS LOWER THAN 2 OHMS ON YOUR AMPLIFIER!
just make sure your kenwood amp can at least handle a 2ohm stereo load.Most amps now are able to .Your amps manual should list this or go online and check for that model .You basically have 2 subs in one allowing you to use one sub box in stereo mode.And just hook it up like two speakers left and right ..make sure amp has a crossover so that you only get bass at your woofer
wire them parallel and pray to god that amp dosnt explode. jkjk
it really depends on what the ohm ratings are for the voice coils you could wire two subs serial and the other two serial and then run both sets parallel.
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