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Basic Car Audio Question: Enough power for DVC sub?

post #1 of 8
2/24/10 at 2:59pm
Thread Starter 
I have a 4ch amp, with my current SVC sub bridged to the 3rd/4th channel that has minimum nominal input of 125W.

Would it have sufficient power for a 2 Ohm DVC sub with 1000w max/350w RMS, in series for a 4 ohm load?
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post #2 of 8
2/24/10 at 4:45pm
Enough? Depends on what you're looking for of course, box type, amp quality, subwoofer efficiency, etc. Generally it'll do well enough for now, you could think about upgrading later if it doesn't. I'm confused by some of your numbers though, what kind of amp and subwoofer we talking? Also, why are you upgrading? The new sub won't be any louder than the old one just because it is rated for more power...
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post #3 of 8
2/24/10 at 5:20pm
Thread Starter 
Ported box, Pioneer GM-4000f amp. Sub I'm looking at is a Pioneer Premier Competition Series 10" Sub TS-W1007D2 with an 87db sensitivity, but I was asking in general if I were to upgrade the sub. Currently running an SVC MTX sub, don't know what model. I just want faster/tighter/more even bass distribution in the low end, don't care about raw spl just as long as it's not less than what it currently has.
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post #4 of 8
2/24/10 at 5:21pm
Is 125 watts what the first sub is rated for, or it is the output of the amp with channels 3 and 4 bridged? edit - internets suggest that amp is 100w bridged with a 4 ohm load. You probably want more power for the new sub. I haven't looked at car audio stuff in a few years so I have no idea what's out there nowadays (Image Dynamics might have something worth looking at? IDQ-10 or successor?). Faster/tighter bass is more easily accomplished in a smaller sealed enclosure (at a loss of spl compared to ported).
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post #5 of 8
2/24/10 at 6:05pm
Thread Starter 
125w is the output of the amp from bridged 3/4th channels. Yeah, I guess I'll stick with my current setup until I come across a deal on a higher power multi-channel amp.
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post #6 of 8
2/24/10 at 6:11pm
I have an awesome amp at home that I've been meaning to sell; can't remember what it's rated at though. Definitely not crazy powerful but very high quality.
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post #7 of 8
2/24/10 at 6:28pm
It depends on how loud you play your music. In general, bridged amps don't drive low impedance loads very well, which is what you have.

--Andre
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post #8 of 8
2/24/10 at 6:28pm
Thread Starter 
I need a multi-channel as I am powering my front components from the amp as well, and don't want to run seperate amps. Gets pricey for higher powered ones.
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