Questions about installing a phoenix gold xenon 200.4 to 2/12"sub
Ok, I have a pair of infinity dual voice coil 12" subs, and a pair of audiobahn quad voice coil 12" subs. Boths sets of speakers can handle 450w. Which set of 12's would be best to hook up to this amp, and should I bridge them down to half the amp, or bridge one speaker to half the amp, and the other to the other half to get the most sound and power from this amp?
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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.
Since the Tantrum only lists specifications into a 4ohm load, you need to make sure that the final impedance of your DVC sub is 4ohms or greater. So a sub with either 2ohm or 4ohm voice coils needs to have the coils wired in series with a jumper between the positive of one coil to the negative of the other and the remaining positive and negative to the amp speaker terminals. Paralleling the voice coils will result in a 1ohm or 2ohm load to the amp and it will overheat, go into protection or possibly fail completely.
If your sub has 2ohm voice coils, the load will be 4ohms which allows the amp to produce maximum power. The final impedance with 4ohm voice coils will be 8ohms. The power will be reduced, but the amp will operate without overheating.
Either set of the speaker terminals on the amp can be used. They are connected internally so it doesn't matter which one you use.
ok, connect the amp positive to the positive end of one sub coil, take the negative of that coil, and run it to the positive of the second sub coil, then run the negative out of the second sub coil to the negative of the amp.
i recomend you just use the best single woofer in a well built box and that will give you better sound at lower gain volumes it sounds like you have too much junk laying around but to get good bass run your sub at 2 ohms if the amp is stable at that impedence
If you have a dual voice coil sub, make sure that you have the positive and negative terminals connected properly. If you have ONE of the coils wired backwards, it will cause the speaker to produce little or no sound.
Have you set the gains properly?
Are you sure the amplifier is receiving a strong signal from the head unit?
Audiobahn subs are not too powerful and they can not handle too much continuous RMS, be careful they will heat up and tear off the voice coils off ur subs. run about 100 - 150 RMS at 75 HZ to each sub and keep the gains at about 3/4 this way you will avoid blowing out your subs. It also depends on the amp? What kind of amp is it?