Question about Rockford Fosgate T600-2 Car Audio Amplifier

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Externally fused amplifiers

I've noticed that there are car audio amplifiers on the market without built-in fuses. Instead the manufacturers recommend external ANL fuses. What are the reasons for this? Are there hidden benefits or detriments in the performance of one product to the other? Is this to address the serious power fluctuations that particular amp could experience, or is it just laziness, and simple economics, quantity over quality?

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I believe it's because the fuses (or any other connection point) is deemed to be a weakness. If an amplifier is properly installed, there will be a large fuse as close to the battery connection point as possible. Any other fuses in the amplifier itself would be considered redundant. From a safety standpoint, if an installer chooses not to fuse the main power wire to the amp the fuses in the amp will not prevent a fire from occuring should the wire get shorted. Therefore there MUST be proper fusing on the power wire and further fusing in the amp is not necessary.
The other reason for this may be that in many larger amplifiers from reputable companies (RF and others) they use un-regulated power supplies to get the maximum from their amps. Fuses could be considered a bottleneck in these systems as a properly installed system, again, has the required fusing at the battery.

Posted on Oct 06, 2008


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Since you changed the amperage of the fuses and the cable, you allowed the internal problems of the
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A fuse is a safety instrument that blows instead of your amplifier.

The problem is NOT the fuses frequently blowing, as such events warn you of internal problems with
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It is very much like the persons who replace the fuses in their household wiring with pennies, to prevent
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Service your amplifier immediately.

Revert to the original amperage on all fuses in your vehicle to prevent a car fire.

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