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Custom sub-woofer cable

post #1 of 5
9/28/12 at 4:09pm
Thread Starter 

I have a subwoofer speaker(taken from home theatre system like this one) it has 2 small holes in the back where you're suppose to stick the wires in, but Id like to hook it up to my computer speakers that have a regular 3.5mm jack output for subwoofers. Is there a cable i can buy/make to connect these two? I would assume it would also need to connect to some power source since the subwoofer doesnt have an output for that.

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post #2 of 5
9/28/12 at 4:27pm

That looks like a passive subwoofer. Are your computer speakers designed to power a sub, or is that a line level output on the back of your computer speakers meant for a subwoofer that has its own amp? If your computer speakers aren't designed to do that, it won't work. Best bet is to get a powered subwoofer. 

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post #3 of 5
9/28/12 at 4:30pm
Thread Starter 
Quote:
Originally Posted by cel4145 View Post

That looks like a passive subwoofer. Are your computer speakers designed to power a sub, or is that a line level output on the back of your computer speakers meant for a subwoofer that has its own amp? If your computer speakers aren't designed to do that, it won't work. Best bet is to get a powered subwoofer. 

yea i think its a passive sub, and the speakers are small ones and most likely need a sub that would be independently powered. Is there  way to wire the sub i have to give it external power? 

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post #4 of 5
9/28/12 at 5:02pm

A passive sub needs an amplifier. That's why most consumer grade subs these days come with amps so you don't have to buy a separate amplifier. You get an amp designed to work with the sub. So unless you have an amp lying around . . .

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post #5 of 5
9/28/12 at 11:06pm
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I wander if the portable amp would work? those small ones you can buy to hook up for your portable mp3 player..

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