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how to hook up a subwoofer in a car
Putting new speakers into your car is not really that hard. Next you should place the baffle in the bracket and screwed in the woofer. Similarly if we connect (3) four ohm speakers (R1, R2, and R3) we will get: 1/Rt = 1/R1 + 1/R2 + 1/R3 or 1/Rt = 1/4 + 1/4 + 1/4 or 1/Rt = 3/4 Inverting the equation we get Rt = 4/3 or 1. As the speaker moves forward it goes 0 degrees through one quarter of its cycle to 90 degrees. All you have to do is take a screwdriver, pop out the grille, and dismount the factory speaker to get it out. So lets looks at those next.
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Plywood is a decent choice too if fiberboard is not readily available. FAQs & Advice No good guide to building a subwoofer box would be complete without a list of commonly asked questions that can help you out. What will eventually happen is that you will have to keep replacing your alternator. Of course, with the need for music, we also have a need to experience it in better ways. Take out all the hardware from the box your speakers came in.
This is pretty straight forward so I figured that I would get straight to the point on how to deal with this.
1. Remove the radio so that you can access the connections on the back.
2. Connect the audio cable to the line-out wires that are located on the back of the radio. Connect the red plug on the RCA cable into the red plug (left) on the radio and the black plug (right) on the RCA cable to the black plug on the radio.
3. Connect the 18 gauge wire that is usually provided in the amplifier power kit to the amplifier turn-on wire on the radio. It should be a blue wire on an aftermarket radio. Make sure that you are not connecting the remote turn-on wire to the power antenna wire because it may also be blue. Solder or crimp the connection and then wrap it with electrical tape to protect the connection.
4. Run the audio cable and amplifier turn-on wire that is located behind the dash and kick panel and down the side of the vehicle behind the doorsills to the amplifier. You should tape or wire-tie the remote turn-on wire to the audio cable so that it is easier to run through the vehicle. Run the audio cables down the opposite side of the car from the power wire to ensure that engine noise or other electrical noises do not cross over into the audio cables.