Re: 2 sets of pos. and negs. on 10" infinity reference...
This means you have a dual voice coil sub. It is probably a dual 4 ohm voice coil. If you hook up the left channel to one input and the right to the other you can safely push the sub but the amp will be running at a lower efficency. In other words it isn't the best amp for the job because it can't push max power to a dual voice coil speaker but it will work.
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OK. Sometimes manufacturers put two flat prongs to each of the positives and negatives of the voice coils. This allows for daisy chaining multiple subs to be easier. Here is how you want to wire your subs in the box.
From the positive post of the box to the positive posts of both voice coils (just choose one prong on each of them, you do not have to connect all 4 of them). So you will have 2 wires going from one post on the box to 2 posts on the sub. Got it. Not go from the negative post on the box, to both negative posts on the subs. Repeat this with the other sub. Now you can hook each channel of the amp to the box regularly pos of amp to pos of box and neg of amp to neg of box.
This set up is called parallel and will drop the ohms resistance of two 4 ohm voice coils to a 2 ohm load. You will get 2 ohms for each sub, thus connecting one sub to each channel. This will allow you to get the max power out of the amp or 150w RMS per your post. Hope this helps.
Ok, for starters. Is your sub a dual 4 ohm sub? If so, great. Is your amp 2ohm stable? If so, then great. If you are running one sub, is your amp a monoblock (single channel) amp? Are you running a two channel amp Your subwoofer is a dual voice coil subwoofer. This means that you have to have power to both voicecoils or risk damaging the voice coils. Subs are designed with dual voice coils to give it more control over the cone movement. This results in better reproduction of sound. Anyway, back to wiring.
This is for a monoblock amp (you can also bridge a 2 channel amp) Go from the positive speaker out of your amp to the positive posts of both voice coils. Then go from the negative speaker out of the amp to both negative posts on the sub. And there you have it. It's called a parallel set up. Setting it up this way just dropped the ohms load for that sub to 2 ohms. Less resistance means more power to the sub. Hope this helps
A Class D amp only has 1 set of out puts for sub's. so it will only be a left and right pos and neg.As i look your amp it is a 2 channel so both speaker terminals are internally bridged so you can hook the to either set as it will be the same since they are cross overed internally. i found you a good guide for your amp i will include it and should help you greatly. . hoped i helped you. http://www.parts-express.com/pedocs/manuals/263-800-phoenix-gold-manual-41601.pdf d
The six 1/2 speakers are your woofers,connect the positive and negative wires from the speaker to the 2 connections labeled on the crossover as W(woofer)+ pos and W(woofer) -- neg,hook the tweeters to the crossover connections labeled T(tweeter)+ pos and T(tweeter) -- neg,then hookup the 2 remaining connections labeled Amp to your amplifier,amp must be 2 or 4 channel stereo capable and give out enough power to properly drive the speakers so they achieve optimal performance.
it depends on the amp what can it handle. will it do 2 4 or 8 ohm is it 1 ohm stable are the subs dual 2 ohms or dual 4 ohms. 1042s are dual 4 ohm subs so if you wire them both in paralel it will drop both subs into a 2 ohm load for each sub that is pos of one coil to pos of sec coil then pos to pos on amp and same with neg to neg to neg on amp. now if your amp is 1 ohm stable i would do both subs the same way you will get the most power out of the amp. but itll run a littl hot if you dont have adaquate power running to the amp. now i wanna think your alpine amp maybe only 4 ohm stable. i would run both subs like i had said pos to pos then neg to neg now both subs will be a 2 ohm load so what you do to bring it back up to 4 is you run the 2 bridged subs into a series which is pos from one sub to neg of the other sub the remaining pos and neg will run to the amps pos and neg. which will make it into a 4 ohm load. now the last scenereo is your amp is 4 ohm or 2 ohm stable. this is how to wire it to 2 ohms and not 1. take one sub go pos to neg then pos to pos on amp and neg to neg on amp this will make an 8 ohm load with one sub take other sub and do the same neg to pos on sub then pos to pos on amp and neg to neg on amp this will tell amp to run a 2 ohm load. 2 ohms is a good run for these subs if the amp can handle a 2 ohm load. now if you would have given the amp model number i could have looked it up to just give you what you needed but with this short info i gave all possibilities.
ok im going to try to explain this you have 2 voice coils , i will refer to as vc1 and vc2, you take vc1 positive and connect to vc2 neg then use vc1 neg and vc2 pos to the amp according to pos and neg signs.
It sounds like you've got too little impedance on it. How are the speakers wired? Are they in series (one speaker per channel) or are they in parallel (speaker 1 neg wire hooked up to channel 2, and speaker 2 neg wire hooked up to channel 1)? Or do you have a single speaker bridged (pos wire on one channel, neg wire on the other)? Often, an amp going into protection is a result of too much current draw, which happens when you're running a 2-ohm load on an amp that isn't rated to handle that (many are only OK at 4-ohms, which you'd have with series wiring). Let me know how you have the speakers wired and we'll go from there.