Vance Dickason Sub Problem

Discussion in 'Archived Threads 2001-2004' started by Nevin, Mar 5, 2003.

  1. Nevin

    Nevin Agent

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    Hey, guys. I received the Vance D. sub from Parts Express last month, and I seem to be having some problems with it. I've got a Denon 1803 with the crossover set at 80, fronts set to small, sub level at 0 db, and have it hooked to the sub with an rca. As for the sub settings, I've got the crossover set at around 100 and phase set to 0. I adjust the volume level as necessary. For most movies, anything past half-volume on the sub causes a "clipping" sound, and I'm not sure I'm getting the output I should be. This is my first sub, so I'm not sure how to explain the sound. All I know is that it's awful.
    For example, I was watching LOTR the other day with the receiver volume at -19, and when Bilbo drops the ring on the floor, the sub "clips." So, my question is...are my settings wrong, or could there be something wrong with the amp or driver? Thanks in advance.

    Nevin
     
  2. Brian Bunge

    Brian Bunge Producer

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    Nevin,

    I've found that that amp needs to be set right around 1/4-1/3 of the way up in order to be able to calibrate properly. Much higher than that and you're probably bottoming out the driver or causing the amp to clip.
     
  3. Nevin

    Nevin Agent

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    Brian,

    Do you mean the sub volume or crossover should be set around 1/4-1/3?
     
  4. Brian Bunge

    Brian Bunge Producer

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    The sub volume. I'd turn the crossover wide open if your receiver has a built in crossover.
     
  5. Nevin

    Nevin Agent

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    Ok, so at that volume level on the sub, I'm going to need a lot more bass. Should I just adjust the sub level in the receiver? Thanks for the info.
     
  6. Chuck Bogie

    Chuck Bogie Second Unit

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    IMHO, if you can hear/notice the sub while playing sorta "normally loud" stuff, like non-rap music, you've got the amp on the sub set too loud. A sub should "warm up" stuff in general - if you hear a lot of thump in general, you're pushing it to hard.

    When I calibrated my DLS-10 with the ratshack meter, etc., I pretty much only notice the sub by its absence if I leave it turned off, or if I've unplugged it for some reason.
     
  7. Brian Bunge

    Brian Bunge Producer

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    Yep, adjust the sub level in the receiver.
     

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