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Blown sub - possible failed pre-out ???

Hi.
I'm looking for some help.
I have a Denon 3805 rcvr.
I have a Definitive Tech. SuperCube III sub.
I hook it to the denon via pre-outs sub.

My deftech supercubeIII wasn't working anymore. I sent it in for
repair and they replaced 2 amps in it.


Can a sub fail because of a receiver?
Is there any way I could test my pre-outs?
Is it even possible for a sub to be 'blown' via the pre-outs?

I just want to try and prevent my sub from getting blown again,
on the off chance that the receiver was the cause. So I'm hesitant
to just rush back and hook it up.

Therefore, is there any way to test the pre-outs without having to be an audio guru?
I'm a computer geek not a home audio geek. I do have basic electronics and satellite
communications(not that this really matters here) training. I know my way around a
multi-meter.

Any help would be greatly appreciated.

oh...I did bring home another sub and it didn't work when hooked up either.


Thanks.


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dduncan774
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SOURCE: preout section cannot ingage

If you are using a pre out to a sub woofer, you need to make sure that the sub has it's own power amp or it will not work. You also need to go into the user menu and tell the amp that you are using a powered sub. Otherwise it will not turn on the pre amp output

Posted on Jun 20, 2012

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