receiver keeps shutting off

Discussion in 'Audio/Video & Home Theater' started by Durvelle27, Jun 20, 2012.

  1. Durvelle27

    Durvelle27 Diamond Member

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    ok i have a Yamaha HTR-5940 and when i turn the voulme up its shuts off and says check sp wire. i checked all the wires but still keeps happening what do i do ?
     
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  3. Anteaus

    Anteaus Platinum Member

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    Sounds like an impedance mismatch, which is causing the amp to run too hard and overheat. Check your speakers to make sure they Ohm loads are appropriate for the output.

    Are you running more than one speaker per channel?
     
  4. Durvelle27

    Durvelle27 Diamond Member

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    i have a 5.1 setup and all the speakers are 8 OHMs and i don't think its a overheating issue because its not getting hot at all ?
     
  5. Anarchist420

    Anarchist420 Diamond Member

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    I guess their could be a short in the speaker wire.
     
  6. sdifox

    sdifox No Lifer

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    has to be a short somewhere. disconnect all cables from receiver and speaker, connect one speaker (without removing last) at a time and test.
     
  7. Durvelle27

    Durvelle27 Diamond Member

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    ok will try
     
  8. Durvelle27

    Durvelle27 Diamond Member

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    ok i tried but didn't help.... does it matter what kind of speaker wire to use because im using 18 gauge speaker wire
     
  9. fralexandr

    fralexandr Golden Member

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    1) edit: nvm, you bought the KLH HT-9900
    did you make sure to connect the 2 fronts to the subwoofer? and the subwoofer to the front left right outputs on the receiver?
    http://forums.anandtech.com/showpost.php?p=5366565&postcount=15

    -----
    2) ? it didn't help?
    so the first speaker you connected returned the check speaker wire error?

    have you tried just connecting the front speakers?

    the maximum theoretical distance based on resistance and wire gauge
    http://en.wikipedia.org/wiki/Speaker_wire#Wire_gauge
    do any of your wires approach or exceed 32ft?

    most places recommend much shorter distances (see Table 1) [though as explained in the wiki, you can run longer than this, you'll just have worse sound output)
    http://www.audioholics.com/education/cables/speaker-cable-gauge
    you might want to use 16 gauge for your surrounds

    what speakers are you using?
    I think this might apply: as volume/output power increases, impedance decreases
    i think i've heard that some 8 ohm speakers will actually drop below 8 ohms under certain conditions
    http://www.bcae1.com/spkrimp.htm
     
    #8 fralexandr, Jun 20, 2012
    Last edited: Jun 20, 2012
  10. sdifox

    sdifox No Lifer

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    what about no wires connected to receiver? does it complain?
     
  11. Durvelle27

    Durvelle27 Diamond Member

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    i think one exceeds 32FT and others are close
     
    #10 Durvelle27, Jun 20, 2012
    Last edited: Jun 20, 2012
  12. sdifox

    sdifox No Lifer

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    just get some 12ga and call it a day :p do not buy expensive wires.

    Home Depot has speaker wires that are reasonably priced. The cut length ones, not the ones already in a spindle or roll.

    I think it was 2 dollars a metre for 12ga if I remember correctly.

    or use 12ga romex if you have spare wiring about and don't mind the stiffness and white shell.
     
    #11 sdifox, Jun 20, 2012
    Last edited: Jun 20, 2012
  13. Durvelle27

    Durvelle27 Diamond Member

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    i got my speaker wire from walmart and all that have is 14 gauge, 16 gauge, and 18 gauge copper speaker wire
     
  14. sdifox

    sdifox No Lifer

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    #13 sdifox, Jun 20, 2012
    Last edited: Jun 20, 2012
  15. Durvelle27

    Durvelle27 Diamond Member

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    100' for 8 but what's a good place you suggest ?
     
  16. sdifox

    sdifox No Lifer

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    100' of 18GA for 8 bux is actually not bad. what is their price for 14?
     
  17. Durvelle27

    Durvelle27 Diamond Member

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  18. sdifox

    sdifox No Lifer

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    #17 sdifox, Jun 20, 2012
    Last edited: Jun 20, 2012
  19. Durvelle27

    Durvelle27 Diamond Member

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  20. sdifox

    sdifox No Lifer

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    good god no. no wonder it's so cheap. It ain't copper :biggrin:.

    Copper clad aluminum means the core is aluminum, there is a layer of copper outside it.


    the walmart 12ga one I linked to will ship to your store free. you just have to wait a bit.
     
    #19 sdifox, Jun 20, 2012
    Last edited: Jun 20, 2012
  21. Anteaus

    Anteaus Platinum Member

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    Do you have a multimeter? Check the Ohms at both the speaker and at the end of the wires before they enter the reciever. It's possible the problem is the wire or even one of the speakers. It's unlikely that your speaker wire is causing these issues unless they are damaged or shorted, even at 18 gauge. It's still a good idea to swap it out for better stuff, but I doubt it will actually fix the problem unless you happen to replace a bad wire.

    Your reciever is telling you there is an impedance issue which is causing an imbalance. Good luck.
     
  22. Durvelle27

    Durvelle27 Diamond Member

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    no i don't have a multimeter and i wouldn't think there the speakers as they are new.
     
  23. fralexandr

    fralexandr Golden Member

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    #22 fralexandr, Jun 20, 2012
    Last edited: Jun 20, 2012
  24. Durvelle27

    Durvelle27 Diamond Member

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    no i'm not using the included sub have the speakers hooked straight to the receiver
     
  25. Durvelle27

    Durvelle27 Diamond Member

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    well that means i'll have to wait till next month to get the copper speaker wire sense my budget is low from my pc build ?
     
  26. sdifox

    sdifox No Lifer

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    30 bux????? :colbert:

    next month is only 10 days away :biggrin: