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I have a 12" MA Audio sub model number MA12D4 its a 4 ohm dual voice i want to know the best way to wire them

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  • cgracian714 Jul 03, 2009

    the model number is MA12D4 12" 4 ohm dual voice coil im hooking them up to a 2 channel 2400 watts performance teknique amp how do i connect the subs to sound right

  • cgracian714 Jul 03, 2009

    i am tring to figure out the best way to connect my 12" ma audio subs model number MA12D4 i am hookin g them up to a 2400 watt 2 channel performance teknique amp how should i wire the subs to get the best possible bass

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Just keep the sub woofer at the back side off the car and you can wire them with power supply coming for the speakers

Posted on Jul 03, 2009

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Hi,

The subs can be wired "parralel" or in a "series". it depends on the ohm rating of the speakers and the amp. Most amps can only go down to 2ohms (mono) so it depending on the ohm ratings of the speakers when wired in a series vs parralel that will decide how to wire them. you can always take the safe route and just wire the positives of each to positive on the amp and the negatives to the negatives on the speaker terminals. Do you have the speakers model numbers?
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Posted on Jul 03, 2009

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moz-screenshot.pngthis is the best way if it is a dual 4 ohm ....




1_4ohmdvc_2ohm.gif

this is the best way if it is a daul 2 ohm sub...

1_2ohmdvc_4ohm.gif

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Hello damasogrizzl,

The 2 sets of terminals are connected internally. Having 2 sets just makes it more convenient when wiring multiple subs. The amp is rated for 900 watts RMS into a 2 ohm load. The specs claim that it is stable at 1 ohm but does not give a power rating.

The Radial SD competition series from Phoenix Gold are rated to handle up to 600 watts RMS. If you have the model RSdC124 with dual 4 ohm voice coils, it would be best to wire the voice coils in parallel for a 2 ohm load and connect the sub to one set of terminals on the amp. If your sub is the model RSdC122 with dual 2 ohm voice coils, you should wire the voice coils is series for a 4 ohm load and connect the sug to one set of terminals on the amp. Wiring the voice coils in parallel will result in a 1 ohm load. And, while the amp may be stable at 1 ohm, the sub will be seriously overpowered.

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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.

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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.

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If you have the Kicker model number 06CVX122, with dual 2ohm voice coils, they can be connected to a mono amp at 2ohms. First jumper the voice coils in series, the dotted positive (+) to the undotted negative (-) (or vice versa). Each sub is now 4ohms. Then wire both of the remaining positives and negatives together on the amp terminals (in parallel). The amp sees a 2ohm load. Here's the diagram:

8863dd7.gif
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b50e52b.gif
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It's not really made to run a dual 2ohm sub. What you can do though is wire the sub like this:

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What brand and model of amp do you have?

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I am using the following codes to show wiring. VC1+ stands for the Kicker  Subs Voice Coil #1 Postive post. AO+ is the MA audio Amp output positive.

 

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This shopuld give you 4 or 8 ohm depending on the 15" L7 setup.  Crutchfield does not carry the Kicker  L7 in 15" They do  have the L5 in 15".

 

If you know how to read a Volt Ohm Meter, set it to OHMs 20 and measure across VC1+ to VC1- and you should see between 1.5 and 5 ohms..  Do the Same with VC2+ to VC2-.  you should see the same voltage. Also read from the Voice coil metal housing to VC1+ , VC1-, VC2+, and VC2-. and you should not read any ohmage to the case. The meter should say OL, or -1.

Good luck. 

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2 Answers

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Hi Saint108. You're describing it well, and i know what the problem is already. The MA audio amp, can't hold with a 2 ohm load. It's too low for that amp, that's for sure. Those are budget amps and they are not well built enough to handle low ohm setups like that. It's overheating and there's no ways around it.. Other than wiring your subs differently ! Just wire your sub directly (not in parallel) in a 4 ohm load, you will notice it will stop overheating that much. Do it quick, you'll most likely fry your amp giving it such hard work !! The HUM you're hearing could be related to it also. Try that, and keep me posted on the status. Thanks ! Cheebster.

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