Q Acoustics 1000s - Standby Problem

Discussion in 'Subwoofers' started by neilmcdonald, Jan 27, 2008.

  1. neilmcdonald

    neilmcdonald
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    Hi,

    My subwoofer is stuck in standby mode! I've tried doing what was suggested in similar threads ie. turning up the output level and increasing the crossover frequency, but still no joy.

    I'm using a Sony STR-DG910 amp, with the speakers set to small.

    As soon as I turn the subwoofer on, the light goes green, which means it's in standby mode. I've tried playing movies with explosions and stuff, but it doesn't change.

    Can anyone help me?
     
  2. nigel77

    nigel77
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    The green light means its on and receiving a signal, red is standby. I would agree that the output from the Sony 910 amp needs to be turned up by 4db after auto calibration. Be aware that at very low volumes the LFE Signal from the 910 won't be of high enough amplitude to trigger the Q1000 sub to power on.

    Nigel
     
  3. neilmcdonald

    neilmcdonald
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    Looks like I mis-read the manual!

    I haven't used the auto calibration, but I'll give it a try. The manual says its very loud - is that true?
     
  4. nigel77

    nigel77
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    The Auto calibrition is pretty loud but not as bad as some I've heard and it's much quicker then most only taking about 30 seconds from start to finish. It can make a big difference to the intergration of the system.

    Give it a go:smashin:

    Nigel
     
  5. neilmcdonald

    neilmcdonald
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    I think the manual must be a mis-print - it definitely says green is standby! But thinking of anything else I've ever owned, red is always standby...

    I've run the auto calibration on the amp, and it doesn't output anything to the subwoofer. It then sets the subwoofer as 'no'.

    I've also tried another cable, but I'm still getting nothing.

    As I'm pretty new to all this, my troubleshooting skills are somewhat lacking - can anybody suggest anything else I can try? I don't have any other kit to test the amp/subwoofer with, so I'm not sure where the problem lies.

    I'd be grateful for any further advice.
     
  6. nigel77

    nigel77
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    So long as you set all the speakers to small manually and set the subwoofer to yes with a crossover frequency of 80hz you'll find no problems with the amp outputting to the sub. you'll have to set those settings manually in the amp settings menu after calibration..

    Nigel
     
  7. neilmcdonald

    neilmcdonald
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    Hi Nigel,

    Thanks for the help so far...

    I've set the amp up as you've suggested, which was how it was before I tried the auto calibration. I'm still not getting anything through the sub. I'm using the test tone on the amp, which I've used before successfully.

    That's the most annoying thing - it was working! I'm still no closer to finding out whether it's the amp or the sub that's not working correctly.

    :(
     
  8. nigel77

    nigel77
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    Are you not even getting the test tone from the sub??

    What are the frequency and level dials set to on the subs amp panel??
     
  9. neilmcdonald

    neilmcdonald
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    Hi Nigel,

    I don't get the test tone.

    The volume is set at half way, and the crossover is at max.

    Any ideas????
     
  10. neilmcdonald

    neilmcdonald
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    I've spoken to Sony, and they've told me to take it in for repair. Seems like the amp is broken.

    No big deal as it's still under warranty, but thanks for your help!
     
  11. nigel77

    nigel77
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    No Problem
    Strange that the green light was on though? Hope they don't take to long.


    Cheers

    Nigel
     
  12. neilmcdonald

    neilmcdonald
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    According to Q Acoustics it seems that the subwoofer auto-signal sensing might be faulty on the subwoofer as well. It never goes into standby mode, so I might need to get that looked at as well.

    Just spoken to the repair company - could take 7-10 days to repair the amp, which is a bummer. My TV has no speakers!!!!

    Cheers,

    Neil
     
  13. neilmcdonald

    neilmcdonald
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    Quick update - Just got the amp back from the repair company. In two weeks they've managed to update the firmware, and locate the setting in the menu for turning the subwoofer on and off. Neither of which has made any difference.:(

    I'm now thinking that the subwoofer is at fault, so I'm going to get back in touch with Q Acoustics and see what happens.
     
  14. nigel77

    nigel77
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    Hi Neil
    Sorry to hear this still isn't resolved. It never rains does it? Have you got a portable CD player or MP3 player that you could plug into the LFE input on the sub just to make sure it is the a problem with the subwoofer. If you try this be sure to turn the xover frequency down to 100hz or so and set all volume to 0 then slowly increase them.

    Just a final check you could try.

    Good luck mate.

    Nigel
     
  15. neilmcdonald

    neilmcdonald
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    Hi Nigel,

    Thanks for the reply - I hadn't thought of that, so I'll try when I get home.

    I'll let you know how I get on...

    Cheers,

    Neil
     
  16. neilmcdonald

    neilmcdonald
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    It looks like the sub's knackered. I tried connecting it to an ipod, but there's still nothing. It does hum slightly (even without the ipod!), but no sign of any bass. I'm going to see if there's somewhere nearby that can check it out.
     

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