Question about Kenwood Excelon KAC-X521 Car Audio Amplifier

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The amp is only putting out on 1 channel

I have 2 kenwood 1000 watt subs and the amp is only puttin out on 1 channel if i bridge both of them the amp doesn't work and i dont kno wa to do with it

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  • adriancaines Feb 10, 2009

    both subs work on the 1 channel but the + on the channel that doesn't work, works when u bridges it, and i was wondering if i could bridge 2 subs of the same spot and get a 1000 watts goin to both subs

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I do believe this is caused by one of your amp fuses. Depending on which + on the amp is being used. That channel has a blown fuse. have you tried running + and -, + and - to both channels to see if both subs worked? If one sub doesn't then it's a blown fuse or scarred fuse and needs to be changed.

Posted on Feb 10, 2009

  • Dalynn Turner Feb 11, 2009

    Okay, the reason that is, is because you aren't using the + of the other channel. You are using the -. I think when you bridge it bypasses the other positive channel. Yes you can, depending on what amplifier you are using. Each amplifier is designed to run at specific ohm rating. You have to get the specs of the amp and the ohms of your subs. If you want to bridge your subs, you need a 1 ohm stable amplifier. If you want to run your subs in stereo, but parallel your subs, you will get 2 ohm stable. What you do is take the sum of your two subs ohms on the back of it.

    This will tell you how to wire your subs, what you are looking for is the most RMS coming from your amp.



    http://www.jbl.com/car/product_support/S...



    If your amp can't run 1 ohm stable. You run + to + to +, - to - to - inside the box. Then run + and -, + and - to the amp on both channels.



    You said one channel doesn't work. If only one channel works, then I would replace the left fuse if it's left channel, replace the right fuse on amp if the right channel doesn't work.

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