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Yamaha 630 and a subwoofer thud

Discussion in 'AV Receivers & Amplifiers' started by pandrew, Feb 3, 2003.

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  1. pandrew

    pandrew
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    Has anyone experienced a thud sound from the subwoofer when changing from one DSP program to another or know what could be causing the problem. The sub is connected using the sub out jack.

    The Yamaha is connected to Elac Cinema 2's.
     
  2. RobTheLegend

    RobTheLegend
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    Hello there.
    Just got my Yammy 630 on friday
    so ive been caining it all weekend trying my best to set it up,
    there are no thuds from the sub when changing dsp programs or when i switch off.(like my old amp did.)
    I am using a paradigm sub.
     
  3. Selectortone

    Selectortone
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    I have the same setup (Paradigm sub) and have had no problems.
     
  4. andyrap

    andyrap
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    I have a 630 with Elac Cinema 1s (same sub as the 2s) and have noticed no thud.


    Could it be the speaker/sub settings on the Yamaha?
     
  5. pandrew

    pandrew
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    Andyrap

    I have speakers set to SMALL and bass to Subwoofer. How have you set yours up and how is you sub connected?
     
  6. andyrap

    andyrap
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    That's the same as mine - speakers to SMALL and bass to SUB.

    My sub is connected by a single RCA and the speakers direct to the amp.

    Definitely no thud. I can't think of anything else to suggest I'm afraid. Is this the way yours are connected?

    Andy
     
  7. pandrew

    pandrew
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    Exactly the same. I'm beginning to wonder if my RCA cable is the fault.
     
  8. pandrew

    pandrew
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    Thanks for the replies.

    Kef Ben

    Whats a bit of DC? And how do I stop it?
     
  9. pandrew

    pandrew
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    Is there any test I can do to be certain I have a problem with the amp?
     
  10. pandrew

    pandrew
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    Kef Ben,

    I E-mailed Yamaha and they replied that it wasn't normal for the 630 to send a thud when changing programs...took it back to RS, they agreed there was a fault and they are getting it repaired.

    Thanks for your help.
     

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