An car amplifier can heat up really quick, especially when the weather is very humid. If your car amplifier overheats regularly, you may want to consider ways on improving the air flow to the car amplifier. This is because if you don't come up with a solution now, your car amplifier may eventually die on you. Not only that, but it can also cause a great level of inconvenience, as you will not be able to hear any music from your car audio system on a hot summers today. Firstly, you need to understand why the car amplifier heats up. There are Mosfet transistors mounted inside the metal heat sink. They are attached directly onto the heat sink, so it can get rid of the heat more efficiently. When the amplifier is operating for long periods of time, the amplifier output transistors will create excessive heat.`
The first thing you need to check is if the location were the car amplifier is mounted is ideal. Is it placed behind a seat? Is the airflow around it suffocated? If air can't get around the car amplifier, it will have trouble getting rid of the wasted heat. I always suggest that you mount all car amplifiers directly onto the back seat of the car. This way you're doing everything possible to allow the car amplifier to have the best possible cooling solution. Why not get auto window tinting to protect your car audio system from being stolen. It will provide maximum privacy to ensure your expensive car stereo is not visible.
Turn the gain down. If the car amplifier is producing clipping, the car audio amplifier will be overloading itself working more hard than it was designed for. If you turn the gain down, the car amplifier will reduce the power sent to the speaker or subwoofer. This as a result, will also allow the car amplifier to run at cooler temperatures. You may also notice that the sound quality is also better, with reduced gain. Adjust the gain and stop until you hear any kind of distortion, if you hear this, you're over working the car amplifier.
Is the final ohm impedance placed on your car amplifier correct? Please refer to the user manual of your car amplifier. You will need to check what the lowest ohm load your car amplifier can support without over stressing itself. If your speakers are wired in a lower ohm load supported by the car amplifier, it will overdrive it causing it to heat up and shut down quickly. The higher the ohm load the less electrical resistance which equally less heat.
You can also add an cooling fan directly mounting it onto the heatsink of the car amplifier using screws. This will ensure that cold air is being blown onto the heatsink, this will provide good cooling and allow your car amplifier to play longer without going into protect mode and shutting down. If you're looking to bring back the shine to the paint work on your vehicle, then have a look into paint correction services near to you.
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