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You may wonder if these people are just handy men who love to do-it-yourself. In some cases, the dash piece is held in place with clips that are attached to its back. The problem with doing this is that your alternator is undersized for your new electrical requirements and will be forced to look to the battery to provide the extra power, and this ends up with you having a shortened battery life. 3.
car sub woofer installation
If you're using screws, you have to drill pilot holes to prevent the wood from splitting on you. The volume of a cylinder is pi*r2*h, or (3. Two enclosure types that are the most practical for most cars are the sealed box and the vented box. 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.
Here is where you learn how to connect the speaker wires.
1. First of all, you have to run speaker wire from the amplifier to the speakers and/or subwoofers that the amplifier will be powering into. If you will be powering the speakers that are already in the vehicle, it's usually easier to run the speaker wire from the back of the radio when you are connecting the audio and remote turn-on cables. Then you have to route the speaker wire along with the audio cable and remote turn-on wire.
2. When you connect the speaker wire to your speakers or subwoofers, you have to be careful to keep the polarity consistent. The speakers will be out of phase and will cancel out each other's signal if you do not connect the positive wire on each speaker to the positive terminal of the amplifier. Usually, one strand of the speaker wire is silver and the other bronze, so you can easily make the right connection.