I just bought a pair of 4ohm speakers to replace a pair of 8ohm speakers. The wires of the original speakers snap in place behind the speakers but the new ones dont. Im trying to fin out how to hook the new ones up.
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Re: aftermarket 6 x 9's
What type of car is it? You can purchase speaker harnesses at any car audio shop that will allow you to snap into the factory plugs.
Also, beware if your system was designed for 8 ohm speakers - using 4ohm speakers instead could cause some problems. Most aftermarket stereos are designed for 4ohm speakers, but some factory stereos designed for 8ohms could be damaged if you give them a smaller ohm load.
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Hello , I will be glad to help you.As far as your speakers..It depends on what impedance your subs are rated and if your Picasso amp can be bridged at 4ohm or 8ohm. If your subs are 8ohm each you can wire your subs in parallel and wire them to picasso amp in bridged mode. If your subs are 4ohm each.Then wire the subs in series then wire them to amp in bridged mode..caution do not wire subs in parallel if they are 4ohm .This would bring impedance to about 2 ohms and would be harsh for amp to handle...Goodluck
If the speakers measure zero ohms, then the coil is shot. A speaker will not work if it has zero ohms. Replace the speaker. ALL speakers should read 4ohm, 8ohm or above. Zero means the coil wire is shoted. That there is no continuity.
The Polk Audio db1040 is a single voice coil 4ohm subwoofer. The db1040DVC is dual voice coil with 4ohm coils which can be wired in parallel for a 2ohm load, or in series for an 8ohm load. They are practically the same sub. The RMS power range is 50-270 watts, with a maximum peak power of 540 watts.
The full specifications including recommended enclosures and physical dimensions can be found here.
The only way to wire a single 4ohm DVC sub to present a 4ohm load is to just connect one voice coil. If you wire the coils in parallel, you get a 2ohm load. If you wire them in series, you get an 8ohm load. But it will work great with just one voice coil. Or if you really want to use both voice coils, and your amp isn't stable at 2ohms, wire the voice coils in series and present an 8ohm load to the amp. It'll work fine, it just won't deliver quite as much power.
The wiring configuration depends on what final impedance you want the amp to see. If the subs are 4ohm DVC's, you can wire them to present a 2ohm impedance or an 8ohm impedance. The diagrams are here. If your subs are 2ohm DVC's, the wiring is the same. The impedances will be 1ohm and 4ohms.
You have dual 4-ohm coils. 2 coils per speaker.using one speaker, if you take and run the postive from one coil and connect it to the negative of the other coil, then take a wire from your bridge channel on your amp and connect the positive to the the remaining positive on the one coil and connect the negative to the remaining negative on the other coil you will create a 8ohm load on the amp in bridged mode.
now this is the important part. The bigger the load on the amp the greater the wattage output to the speakers. This sucks the wattage out of the amp. Careful not to overload you amp. The setup above is safe for any amp. The following is for 2ohm stable amps only. The lower the ohm value 2, 4, 8 and so on, the greater the load on the amp.
connect the positive of one coil to the positive of the other. connect the negative of one coil to the other negative of the other coil. then take a wire from your bridge channel on your amp and connect the
positive to the the positive on one coil and connect the
negative to the negative on the same coil and you will create a 2ohm load on the amp in bridged mode.
Series = add the two ohm value parallel= halve the ohm value
you can play with series and parallel together using more than one speaker setup.
One thing you should know when you install the new speaker it is going to pull most of the power away frrom the factory speaker. In order to get the true sound of the speaker, remove the factory one..I know that the door panel might give you trouble, but it will be worth the trouble..If you tell me what kind of car you are working with, I can help you remove the panel easy.