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<blockquote data-quote="n2audio" data-source="post: 101766" data-attributes="member: 540940">The size of the power wire fuse is NOT directly related to the amp.&nbsp; The size of the wire, however, is.With a 1200.1 I would assume you&#039;re using 4 ga wire.&nbsp; That means your fuse should be no larger than 125A.&nbsp; If you&#039;re running a long length of wire the fuse should be closer to 100.&nbsp; The one and only purpose of the inline fuse is to protect your car in the case that your powerwire gets grounded to your car.&nbsp; Without that fuse the wire would heat up like an oven&#039;s heating element and burn a portion of, if not your entire car to a crisp, but since it&#039;s fused, the fuse will blow, and no harm is done.And in case you didn&#039;t know...You would most likely be ok with a 60 or 80 amp fuse because the majority of the time while you&#039;re listening to your stereo at normal volumes your amp will probably not be drawing more than 1/3-1/2 of it&#039;s max current.&nbsp; Then when you ARE cranking it, it will only be pulling 100+ amps at the instant a low note hits, and fuses are designed to withstand 2x their ratings for short periods of time.</blockquote>

[QUOTE="n2audio, post: 101766, member: 540940"] The size of the power wire fuse is NOT directly related to the amp. The size of the wire, however, is. With a 1200.1 I would assume you're using 4 ga wire. That means your fuse should be no larger than 125A. If you're running a long length of wire the fuse should be closer to 100. The one and only purpose of the inline fuse is to protect your car in the case that your powerwire gets grounded to your car. Without that fuse the wire would heat up like an oven's heating element and burn a portion of, if not your entire car to a crisp, but since it's fused, the fuse will blow, and no harm is done. And in case you didn't know...You would most likely be ok with a 60 or 80 amp fuse because the majority of the time while you're listening to your stereo at normal volumes your amp will probably not be drawing more than 1/3-1/2 of it's max current. Then when you ARE cranking it, it will only be pulling 100+ amps at the instant a low note hits, and fuses are designed to withstand 2x their ratings for short periods of time. [/QUOTE]

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