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Jm labs sw 900

I have a JM Labs SW 900 and when it is pushed it crackles. Does this mean the speaker is likely blown? If so what is the best route to rectify the problem? Please email me at bkroobnzai@tim-privette.com

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Posted on Jan 02, 2017

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dunnbiker
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SOURCE: I have a JM Labs Cobalt SW800 subwoofer connected

What you may be hearing is the speaker's guts bottoming out as it attempts to keep up with the amplifier, which may be clipping - a potential fatal thing to do to any speaker.

Maybe you should turn the volume down or run through the volume setup again and make the subwoofer equal in loudness to the other speakers and avoid excessive bass boost.

Posted on Feb 22, 2010

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    I have ACTIVE SUBWOOFER: COBALT SW 800 from JM lab Problem is i dont have orig.power cable so i connected PC cable with same output.. Fuse blown I replaced the fuse for original and fuse blown again


    Oh dear you have inadvertently caused a great deal of internal damage to the sub by connecting the wrong power cable. Fuses blow when there is an overload. Often caused by a short circuited semi-conductor. In this case it could be anywhere in the power supply section of the sub.

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    What is the sw out socket for on an amplifier


    SW stands for Sub-Woofer. The socket is an output channel for a Bass Speaker. If its an RCA / Phono socket, looks a little like (o) then it's for an active sub, a speaker that already has an amplifier built into it. If the socket has push-spring connections to feed wires into, it's more than likely an amplified output, meaning that your amplifier will supply a speaker with no amplifier. Hope this helps you out.

    Feb 15, 2015 | Computers & Internet

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    Everytime we turn the system on it says overload, what does this mean?


    hi,
    speaker wire crossed over or shorted against the other wire on one of the speakers probably. check the connections behind the amp and at each speaker with a flashlight and a magnifying glass.
    jm

    Apr 14, 2011 | RCA RT2760 System

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    I have a JM Labs Cobalt SW800 subwoofer connected to a Yamaha RX-V2300. Recently during intense moments, esp action movies, the SW occasionally emits a loud pop; most of the time only one, but sometimes...


    What you may be hearing is the speaker's guts bottoming out as it attempts to keep up with the amplifier, which may be clipping - a potential fatal thing to do to any speaker.

    Maybe you should turn the volume down or run through the volume setup again and make the subwoofer equal in loudness to the other speakers and avoid excessive bass boost.

    Feb 22, 2010 | Jmlab Cobalt SW 800 Speaker

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    I have a crackling speaker on the left port of the bass box


    The crackling sound on the left port of the bass box, indicates vibrating foreign matters inside it. Just open the box and clear it up. Put the sounds on. Listen if the crackling sound is audible. If the result is ok, then, close the box, and everything is alright..
    However, if the result is otherwise, then, it is due to a defective speaker that needs to be replaced.

    Nov 21, 2009 | Creative Labs Sound Blaster Live! 5.1...

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    Crackling


    you may have played the speakers too loud and made them have effects or you have spilled something or! you have messed with the settings hope this helps!

    Jan 22, 2008 | Creative Labs I-Trigue 3600 Computer...

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    Crackling noise


    if you so a test on your speakers you will find the one speaker is doing the same you must take the unit back because the speaker is faltie

    Jan 19, 2008 | Creative Labs I-Trigue 3600 Computer...

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