Understanding what amp fuse is not for you and your car stereo equipment is very important. A simple fuse to protect your stereo from the above-powered and possibly catch fire burned out, or even worse. It is very dangerous to install a stereo without a fuse rated properly, as this will protect against shorts or other problems that can occur when driving your car. Some fuse blows people and just think oh I have a higher rated fuse or fuse rated higher will help them perform better system. This does not happen. Has a 120 amp or 20 amp fuse will not make you play a loud stereo.
So how do you choose the right size fuse for your car audio system? First you need to make sure that you put the fuse in the right place. I usually recommend having a fuse within 12 "Is this battery will not help blow fuse faster. If there is a short fuse will blow immediately to protect the wire from melting and hopefully stop before reaching the power amps .. Now if we have a fuse in the trunk of a car It will take longer to fuse to blow so that the wire can be really hot and currents may reach your expensive stereo equipment.
Now as I mentioned earlier you should also have proper rated fuse to protect your car amp. Figuring out what size fuse you need is pretty simple. To install you simply add a single amp fuse on the amp. Be careful that the fuse is replaced with the original judged wrong because it is quite common. So says my amp has a single 25A fuse. I then want to have a 25A fuse by the battery as well. Sometimes you have to round so that I could use a 30A fuse, but you definitely do not want to put in a 100A fuse. This is because the 120A fuse will allow 120 amperes before it blows. 'You only need 25 amps so I will allow a lot of dangerous amounts of current to get to the amp before blowing the fuse. You can have your short and fried amp fuse still will not explode.
Now when you install a car amp in your system somewhat similar process. You have a main fuse in a 12 "battery fuse value will be determined by all the ranks you install amp fuse all .. So, let's say I add another amp for the above system and this amp has 3) 20A fuses. So that will give us a total of 60 amperage for the amp and 25 amp amperage for the other to total 85. I wanted to fuse my battery to 85, or most likely to be rounded up to 90A. Now I also need a fuse for each amp fuse as well For this you will use a block distribution A distribution block just what it sounds like; .. distributes the main power wire for electrical wires that go to the smaller individual components.
I want to use a fused distribution block and fuse value will be the same as above. I will use a fuse 60A and 25A fuse, and run a wire from the distribution block to the amp itself. With the cable car up to your amp this way you will not allow more active than your amp can handle. It is also important to ensure your system is properly grounded when using multiple components. I usually will use a block of land distribution. It does not melt but other than that they are the same as the power distribution block. It is also a good idea to ensure you have the proper wire size for the amount of power your system generates.
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