Question about AudioBahn A4075HCQ Car Audio Amplifier

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Wiring subs hi i have the audiobahn A4075HCQ amp also have 2 12" dual voice coil there 750 watts how do i wire my 4 channel amp to these subs also what kind of box should i use i have a 2002 infiniti g20 4 door pleasr help thanks

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There are more on the audiobahn site.

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Audiobahn.com can help you with the free diagrams under tect support

Posted on May 11, 2010

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Wiring a crossfire vr602 at 4ohm


OK what you are saying now is that your speakers are dual voice coil; models? 4 Ohms per Coil? I have always used single 4 Ohm Voice ciol speakers since amps are mostly based on 4 Ohm outputs. but you can get 8 Ohm dual voice coil subs also. With 8 Ohms per coil you can get 4 Ohms if you parallel the wires. What is best for you and will get you the most stable power and still will be in the specs of that amp is to run the amp in BRIDGED MODE running each subs voice coils in series with each other then run those 2 subs in parallel to the amplifier giving it a 4 Ohm load. So, your will have two sets of wires from your amp 1 for each speaker. Then you will take a short piece of wire that will connect the + to the - of each voice coil then hook up the wires from your amp to each sub What it will be is 4 Ohms + 4 Ohms = 8 Ohms per speaker the 8 Ohms in parallel each speaker to the Bridged amp output using just the + from one channel and the - from the other will give you a total of 4 ohms and power out put of 600 Watts so that ends up being 150 watts per voice coil or 300 watts each speaker
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1 Answer

No knowledge of how to hook two subs which are the 12 alumni audiobahn sub to a performance technique 781 mono block amp operation ohms for the speakers say 3 or 12 ohms during operation can i bridge or do...


yor subs have dual 6 ohm voice coils from the sound of it-your amp is rated at 650 watts rms at a 1ohm load. The best you can do with the equipment you have is to wire ALL the coils of your subs in parallel and that will give you a 1.5 ohm load for the amp.It should knock the hell outta them with 300 watts on each sub - good luck

Jan 14, 2010 | Performance Teknique ICBM-782 Car Audio...

1 Answer

Why does the kenwood kac-9103d has two sets of terminals if its a one channel amp so how do i hook up a dual 12 phoniex gold 1200 watt sub to it


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.

Hope this helps.

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1 Answer

I have a audiobahn a400t and im running 2-12''jh45 mtx jackhammers the speakers are wired in parallel stabel @ 2or1 ohm. the speakers are in a ported box. how do i run my wires to my hook these up right to...


Hello rattle822,

A pair of JH4512-04's can be wired to 2 ohms if the subs themselves are paralleled. There's only one voice coil and it's 4 ohm. If wired in series, the final impedance to the amp would be 8 ohms. They cannot be wired to 1 ohm.

In bridged mode, your 4-channel amp is only stable down to 4 ohms. You can bridge 2 of the channels to provide a relatively low 200 watts RMS X 2. The best power solution for your subs would be to bridge channels 1 and 2 and wire one sub to it. Likewise, bridge channels 3 and 4 and connect the other sub. If you connect both subs in parallel, the impedance will be too low causing the amp to overheat and possible fail.

As for the settings: Low pass filter on, crossover somewhere between 80-100, input levels to match your receiver, and bass boost to your personal preference.

Hope this helps.

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1 Answer

Bridging 800a4


That all depends upon whether or not the sub you are running has dual voice coils or just a single voice coil. The 800a4 is a four channel amp; thus the only way you can bridge it will be 3 channel or 2 channel. If you are running a dual voice coil sub then you can wire the amp two channel and get 400 watts x 2 @ 4 ohms. Make sure that you sub can handle this kind of power though.

Here are the specs:
4 x 100 @ 4 ohms (13.8V - <0.05% THD)
4 x 200 @ 2 ohms (13.8V - <0.10% THD)
2 x 400 @ 4 ohms bridged (13.8V - <0.10% THD)
Fuse: External 60A
Manufactured in 1999 - 2001

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1 Answer

Amp. Audiobahn a2300hcx


If the subs are dual 4 ohm voice coils and if your amp is good down to 1 ohm, your best bet is:
  1. Connect the voice coils in parallel ("+"s together, "-"s together). This will make the impedance of each sub 2 ohms.
  2. Connect the subs in parallel.
  3. Bridge the amp to one channel.
This should max the amp out at 2400W, which means about 1200W per sub.

If your subs are single 4 ohm voice coils, do the same steps, but you'll only be able to load the amp to 2 ohms, which means about 600W per sub.

Also keep in mind that box size, type, and quality make a big difference in how subs sound.

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3 Answers

How should I wire my 3 subs to the 500/1 amp???????


First of all how many ohm's are each subwoofer rated at . Are the subwoofers dual voice coil or single voice coil. Once I know that I can help you. I think the JL amp is not recommended below a 2ohm load.

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1 Answer

How should I wire up this amp and sub


The amp's not actually a very good match for the sub, since the sub can be wired for 2 ohms or 8 ohms, and the amplifier is most efficient at 4 ohms in bridged mode. My advice would be to wire the amp in bridged mode, and wire the sub for an 8 ohm load. To do this, the amp's (+) wire should go to the (+) terminal on one of the sub's voice coils. Then run a wire from the (-) terminal on the OTHER voice coil to the (-) terminal on the amp. The remaining (+) and (-) terminals (on opposite voice coils) should be connected to each other with a wire. Your original wiring setup had the amplifier connected to only one voice coil, while the other voice coil was shorted.

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4 Answers

Amp Will Not Stop Overheating


You say you have 2 p312d2 subs. Ok so the d2 stands for dual 2homs (2 X 2homs voice coils per sub) , conecting in parallel the 2 voice coils of only one sub will create 1hom load to the amp, and if your amp is 2homs stable per chanel that means you are lowering too much your homs causing the overhwating to it.

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