Question about Pioneer TS-SWX310 Car Subwoofer

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Is Sub Underrated for my Amp?

I just installed a new amp and sub in my son's truck. Alpine ms-mrp500 rated at 300 watts rms into 4 ohms and a Pioneer ts-swx310 enclosure 250watts nominal, 1000 max, 4 ohms. After 1 day the sub appears to be blown. Still works but rattles at all volumes. My question is, is this amp too powerful for the sub? One other thing - he blew two 20 amp inline fuses to the amp so replaced it with a 30A. The amp calls for a 60A fuse. Shouldn't the smaller fuse have prevented the amp from delivering full power?Any help is appreciated. Thanks! Matt

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  • Matt Wojo Dec 30, 2008

    madmech, a fuse's only purpose is to limit current flow (just once). If anything, the amp is only 20% too powerful for the sub at full power. The 30A fuse would limit peak power to about 432 Watts (14.4V x 30A), well within the 1000W peak rating of the sub. How do you determine I need a 2000 watt sub for a 300 watt amp?!

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Fuses wont restrict the current flow the amp is way too much for that sub. it may not have damaged that sub yet but it will. you might only need a 100 watts rms too run it.but you will need sowe where about 2000 watt sub too run off that amp

Posted on Dec 29, 2008

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1 Answer

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1 Answer

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1 Answer

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