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Thread: Need Help With Picking An Amp |
    
New member Username: Counterstrike
Post Number: 7
Registered: Nov-04
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| Posted on Thursday, November 18, 2004 - 09:12 am: |
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ok im back i have asked this question so much but no one can give me the answer and when they do its not what im looking for so i know you guys know what your talking about so here it goes im buying 2 Alpine SWR-1541D 15" Dual 4-ohm Voice Coil Component Subwoofer, now how many watts does the amp have to be to run these subs and not blow them, and if anyone know what would be a good amp if they have a brand name or something. thanks a lot if you can help. |
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Bronze Member Username: Jdc
Post Number: 11
Registered: Oct-04
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| Posted on Thursday, November 18, 2004 - 09:40 am: |
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what is the peak power on one of the subs |
New member Username: Counterstrike
Post Number: 9
Registered: Nov-04
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| Posted on Thursday, November 18, 2004 - 09:59 am: |
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the peak power is 1500 but the rms is 500 a sub so where dealing with 1000 rms but 3000 watts |
error51 Unregistered guest |
| Posted on Thursday, November 18, 2004 - 12:33 pm: |
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dual 4 ohm voice coils if run in parrallel will drop your load down to 2 ohms if in series they will be 8 ohms.
So you need an amp that can handle roughly 1000 watts @ 2 ohms i am guessing. so anything that adversises 2000 watts @ 1 ohm will work. to drive one of them.
Make sure you are not clipping anything through your signal chain though you will blow em if you push them to the edge. Gotta love that all ever loving over excursion of a speaker. |
Gold Member Username: Glasswolf
NorthWest,
Michigan
USA
Post Number: 5893
Registered: Dec-03
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| Posted on Thursday, November 18, 2004 - 12:52 pm: |
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depends on your budget.
you want about 500 300-400 watts per sub for those.
a JBL BP1200.1 would work. at 1 ohm, you can deliver 600 watts per sub, which they'll take given the right box.
another option is to run a pair of class D mono amps for the subs.. give each sub a dedicated 400-500 watt amp.
personally I'd have gone with two dual 2 ohm coil subs so you could drive both with a single mono amp at 2 ohms.
a kicker kx1200.1 would give 600w each @ 1 ohm as well.
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