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Okay, I'm running 2 hifonics brutus 12 inch subs in a 3/4 inch thick slotted box. The subs are 600 watts rms a piece, and they have dual 4 ohm voice coils. I have the subs hooked up to a 2000 watt, 2 ohm stable, SPL phantom series amp. Which I have wired to 4 0hm mono. My head unit is a Pioneer DEH-P5000UB. (which has 4 volt preouts) I'm running 4 gauge wire for power, with 150 amp circuit breaker in place of the fuse and a cheap 1/2farad cap , 6 gauge for ground, and 16 gauge to the subs. Which is all hooked up in my '98 Chevy Blazer. My first question is, should i be running it at 4ohm mono, or should i rewire it to 2ohm stereo? Also I've heard of putting computer fans in your amp to help keep it cool, is it worth tearing my amp apart to do? My last question is, would i get a higher spl reading in my slotted box or a sealed box?

Posted 810 days ago

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scott3084
I think the 4 ohm mono would be the way to go here. Is your amp getting hot and shutting down or going into protection? If not its fine amps should get a little warm sometime to warm to touch after playing it hard for a few minutes. And must people put the fan over the amp so it blows down over the cooling fins. NOT INSIDE THE AMP. And in almost every case you will get more spl with a vented or slotted box.

805 days ago

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