Question about Pioneer TS-W307D4 Car Subwoofer

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My subwoofer will not go

We have hooked everything up and the Amplifier is going and has power, but for some reason we cannot get the sub to go, We have changed the wiring and tried all different ways, is there something im missing? The instructions we got with it are not in english so no help to us.....

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  • lucidity01 Mar 03, 2008

    the sub we have is a pioneer TS-W307D4 it has voice coils which means it has 4 terminals instead of 2 on the sub

  • lucidity01 Apr 09, 2008

    dont worry we have figured out the problem. We did have it all hooked up correctly, as i do actually know how to hook up car stereos but didnt know why this wouldnt work. we took the amp back to the place we bought it and it was infact faulty. problem solved

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I hook the postive specker wire from the amp. to the positive conection on the speaker with a jump wire on the other positive conection on the same speaker did the the same with neg.wire also.I'm hooking up a JBL 600watts touring amp with two ts-w307d4. Is this the correct way of hooking up this project.

Posted on Apr 08, 2008

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Is the SUB connected to both channels? I will give you detailed instructions on how to connect a sub. Check out this website.

http://www.ehow.com/how_5829_wire-car-stereo.html

Posted on Mar 03, 2008

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Let's start with the easy scenario. Let's say your amp is two ohm stable and you have two single voice coil subs. It's simple. You go from the positive of the amp to the positive of both subs and the negative of the amp to the negative of both subs. This will provide a 2 ohm load to the amplifier, thus pulling all the power out of it.

Unfortunatley, if you have two dual voice coil subs, you won't be as efficient. You will only have the options of a 4 ohm load or a 1 ohm load.

This is where having a one ohm stable amp would come in handy. If the amp is one ohm stable, hook the positive of the amp to all 4 of the positives on the subs, and hook the negative of the amp to all 4 negatives of the subs. This produces a 1 ohm load.

WARNING!! If you have a 2 ohm stable amp DO NOT use the last wiring scenario. It will fry your amp.

Now, the last is a little trickier. This is for two dual 4 ohm subs. Follow closely. Hook the positive of the amp to one of the positives of each sub. (do the next step to both subs) Go from the negative of the voice coil that you hooked positive from the amp is hooked to, and hook that to the positive of the unused voice coil. Then go from the negative of that voice coil and hook to the negative of the amp. Make sure this is done on both subs. This will give you a 4 ohm load.

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Hi, welcome to FixYa..

Your subwoofer requires a seperate amplifier that has low pass filter in the pre out system, which means it will allow all low frequency signals from the input section of the amplifier/ crossover. Your receiver has combined signals of high, mid and midbass signals that will not be able to drive your subwoofer. That is the main reason why some receivers has "Subwoofer Out" to allow you to use "Active Subwoofer systems" (also known has self powered or has a built in amplifier w/ subwoofer)
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OHM LOADS, SUB WIRING, OHM RELATED POWER OUTPUT

SERIES SUBWOOFER WIRING
Wire the positive pole from one voice coil (using wire that is as thick or thicker than your wire from amp to sub) to the negative pole of the other voice coil (on the same sub). This will leave you with a positive pole from one voice coil and a negative pole from the other giving you the two leads that will be hooked up to the amplifier or other subs. When wiring in series, the ohms will go up numerically, and the load on the amp will go down. Almost all amplifiers power output will follow this rule, except some amps such as JL Audio's “Ohm matching” D Class amps.

PARALLEL SUBWOOFER WIRING
Wire the positive pole from one voice coil (using wire that is as thick or thicker than your wire from amp to sub) to the positive pole of the other voice coil (on the same sub). Then wire the negative to the negative in the same way. You can then wire to the amp or other subs. When wiring in parallel the ohms will go down numerically, and the load on the amp will go up. Almost all amplifiers power output will follow this rule, except some amps such as JL Audio's “Ohm matching” D Class amps.

MULTIPLE SUBS USING SERIES AND PARALLEL WIRING
In order to match your amplifiers ohm rating you can use parallel and series wiring together, just keep things even for power distribution and to avoid phase issues.
Example: I have two “Type X 12” subs” that have dual 2ohm voice coils and have to match my “Amplifier X” ohm rating of 2ohms mono. In this case, I would wire each subwoofer in series (giving me a 4ohm load), and then wire the two subs in parallel to get my 2ohm mono load. When wiring multiple subs just, treat each sub as a voice coil and wire accordingly.

POWER OUTPUT AND OHM LOADS
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-Dynami

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1 Answer

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