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Sub power ratings

Old 01-31-2009, 01:42 PM
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Sub power ratings

I have a pair of jl 10w3v2-d2 subs. They are rated at 300 continuous. Is that 300w per voice coil or is that 300 total so each voice coil can handle 175w?

Thanks
Shane.
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Old 01-31-2009, 01:46 PM
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300W total. 150W per voice coil.

You posted something last week. What came of that. I replied, though I forget what it was you were asking. I'll see if I can find it.

http://www.canadiancaraudio.com/online/general-discussion/143544-question-about-wiring-subs.html <<< Link to your other post.

You can wire your voice coils for 4 ohm, then wire the subwoofers in series to bring the load back down to 2 ohm.

You're still looking at 25OW for each woofer. If they were dual 4 ohm voice coil woofers, then you could wire them down for 2 ohm each, and get 350W for each woofer from each channel.

What are you trying to accomplish?

Last edited by TragicMagic; 01-31-2009 at 01:53 PM.
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Old 01-31-2009, 01:54 PM
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Thanks for the super quick response Tragic. I posted about how to wire these subs with my amp. The amp is an old alpine 3545 but it works great so I hate to have to replace it. I think Im just gonna wire the in series and rub the amp in 2 channel so it will give me 250wX2. I have been trying to figure a way to wire the subs to get a 4ohm load together and bridge the amp to [email protected] but I havent been able to figure out how to do it, if it could be done.

Thanks again,
Shane.
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Old 01-31-2009, 02:02 PM
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Its not the configuration of the voice coils that's causing you the problem, its simply because they've got a resistance of 2 ohm. If they were all 4 ohm voice coils, you'd be laughing. If that were the case, you'd be able to wire those woofers for a final 4 ohm load, bridge the channel on the amp to get that 700W - 350W for each sub.

If the amp is capable, why not consider getting another set of subs that are dual 4 ohm? Or a single DVC2 or SVC4 12" sub with an RMS rating around 500-600W. Then you have one 12" running off that 700W.

I'm just throwing ideas out there.
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Old 01-31-2009, 02:18 PM
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Ya I will probably end up looking for a set of 4ohm DVC subs. I couldnt say no to this set as they were free..
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Old 01-31-2009, 02:27 PM
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I might buy one off you. Depending what kind of shape they're in. I have a friend at work who is running a single 150WRMS 4 ohm Rockford Fosgate sub off a 2 channel MTX TC4002 amp. He's bridged the channel for 400W. He has to run with the gain at minimum to keep the sub in check. He might be interested in a 300W sub that will allow him to get the most out of that amp.

What would you take for one of them? $40?
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Old 02-02-2009, 06:41 PM
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Not sure im ready to sell one just yet, but if I decide to sell one or both I will let you know Tragic.

Thanks
Shane
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