Question about Denon AVR-4800 Receiver

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Denon AVR-487 SYS-57HT SPEAKER SYSTEM

NO SOUND FROM MY SPEAKER SYSTEM. EVRYTHING ON THE RECEIVER SEEMS NORMAL. SUB WOOFER INDICATES IN A STANDBY MODE WITH NO DIGITIAL INPUT FROM MY RECEIVER. MY DOG CHEWED THE SUBWOOFER CABLE INTO. REPLACED THE CABLE AND THE FUSE IN THE SUBWOOFER. STILL NO SOUND. ANY IDEAS?

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  • Hal Caison Dec 11, 2007

    Zaids, is there a reset switch/button somewhere on this receiver or subwoofer box that I am missing. I am not sure just how to reset. Thanks. Huckaby

  • Hal Caison Dec 11, 2007

    For Zaid. Thanks for your help. Restored the old fuse. Reseated the the subwoofer cable. Made sure no power to the receiver or subwoofer box. Restored power to the subwoofer box and then to the receiver. All my sound was restored. Note. A T2.5 amp amplifier fuse has to used in the subwoofer box. Not just any 2.5 125volt fuse (or higher voltage) can be used.

    Huckaby

  • Anonymous Mar 20, 2014

    How do I connect a visio soundbar to a denon avr 487 receiver

  • Anonymous Mar 25, 2014

    Sound bar sub woofer not working

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  • 456 Answers

Check that wire and fuse again and try to reset and try

Posted on Dec 11, 2007

  • Zaid Anarwala
    Zaid Anarwala Dec 12, 2007

    check out the fuse and ass well as the supply wire and i just know that you put the wire is not compatible with that speaker so check out for the same wire.

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Your sub-woofer apparently does not have an amplifier built into it. This type requires you to use your front left and front right speaker output to got through it to your regular speakers. It is called a passive sub-woofer for that reason.
To set it up, Connect your front speakers to the "output" of the sub. It should say "to speakers" on it.
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There is a condition on setting up all speakers and subs that not everyone know. It's call "phase alignment". Phase alignment (A Good Thing) refers to all of the speakers in a system moving in the same direction (in and out) at the same instant in time. This gives you much clearer sound and better response from your sub-woofer.
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The system will work either way. But you will have severe bass loss if the woofer wiring is out of phase because of phase cancellation.
Hope this helps,
Best Regards,
Mark


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