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| Car audio bass system |
An usual car audio system consists of an car speaker and an tweeters. Some premium upgraded sound systems may have an additional amplifier under the seat to power an car subwoofer in the trunk. If you have noticed recently that your car speaker or car tweeters is crackling, this guide will help you troubleshoot the car audio problem. But first, you will need to identify were there crackling is coming from, play an song of your choice and open all of the car doors. Examine each car speaker and tweeter fitted into each door and use your ears to find the crackling. Once you have identified the exact speaker or tweeter the crackling sound is coming from, you are now able to look into the issue in more detail. An cracking sound doesn't mean the car audio component is failing, there can be others causes.
The first cause can be dirt or dust vibrating on the car speaker cone. Car tweeters are very sensitive and made from soft fragile parts. Even if there is an slight bit of dirt on it, it will cause an crackling sound to appear at high volumes placed via the car stereo. I would recommend that you take the driver out of its housing and inspect. Give it an quick clean with an can of compressed air on the top part of the diagraph (speaker cone) and under were you can see the voice coil and spider. Avoid using an kind of cleaning solvents as this can damage the speaker, just an damp cloth will do just fine. Now replace the car speaker or car tweeter back into its original location, has the cracking sound disappeared?
If the cracking car speakers is still make that annoying noise, then you will need to troubleshoot this car audio problem further. The speaker wire can be the cause to the crackling, it could be damaged from corrosion or worn out. Inspect the spade connectors that insert into the back of the speaker. Are they loose or has an wire come out of it? Also remove the radio from your vehicle and check the connection on the back? Has any of the pins come out of the quadlock connector block? There is often cases were wires have been altered in the past behind the radio and an wire may have come loose. The best way to rule out if the car speaker or car tweeter is blown is by connecting an direct wire onto the positive and negative terminals found on the back of it. Then connect the other end to an working speaker channel of your radio, does the crackling still occur?
If you still hear the cracking, while bypassing the factory wiring in the door, then the car speaker or car tweeters is blown and is damaged. This can happen from age or distortion damaging it. If the cracking has gone, then the factory wiring that runs from the door card through the rubber boot to the back of the radio will need replacing. This can easily be done, the most tricky part is feeding the speaker wire into the small black rubber boot found near the door hinge. The best method is to use an metal coat hanger attach the new speaker to it using some tape and push the pointed part through the opening of the rubber boot to get it through the other end.
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