Question about Velodyne DD-10 Subwoofer

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Crackling coming from Velodyne DD-10 subwoofer

This started as a small problem a few weeks ago whenever I powered the sub on, then would go away in about 5 seconds, and the sub would play fine. Last night, the problem worsened as the sub actually crackled and distorted with program material playing through it. It isn't constant, but occasional. I'm VERY irritated, since I didn't expect this from a Velodyne sub. I have a second DD-10, and I switched the interconnects and power cords betweem the two just to make sure it is the one sub that is the problem, and it is. Any thoughts?

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  • flyers13 Aug 08, 2008

    I'm hoping that isn't the case. The person I spoke to on the online change said he is sure it's not the amp, but something with the driver or voice coil. I'm hoping it's that rather than the circuitry or amp. I will call Velodyne to ask them about it. Thanks much for your input!!

  • flyers13 Aug 08, 2008

    Easyq, turns out you are probably correct. Just talked to Velodyne rep, and he is certain it is the amplifier going bad. And actually according to him, that is much cheaper than if it were a driver, so I was wrong assuming that the driver would be cheaper to replace. Thanks for your input!

  • flyers13 Aug 12, 2008

    Yes, so I was told by Velodyne. Support person is sure it is the amp. Unfortunately, I purchased this on Audiogon a year and a half ago, and Velodyne won't transfer warranties, a practice I don't agree with. Would be nice if there was an option to purchase a second-hand warranty, or something like that. Anyhow, I was told the cost of repair and shipping back to me would be $240. Such is life! I will let you know when I receive the unit back, and if that truly was the final resolution. Thanks!

  • dd85 Nov 02, 2008

    The subwoofer powers on, but there is a crackling sound that starts in it's a velodyne hgs 10 i dont it's the amp ,or the driver



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Velodyne is known for good service, i think in this case it is best to contact your vendor and have it solved.
I think internally there somethign wrong with the electronics, most likely the amplifier.

Posted on Aug 08, 2008

  • easyq
    easyq Aug 09, 2008

    Be glad it's the amp. Drivers used by Velodyne are quite expensive because they're not standard drivers. Can you keep me posted on this as i would like to know if it indeed was the amp and how Velodyne solved it.



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SOURCE: Crackling coming from Velodyne DD-10 subwoofer

One of 2 things is going on.

First, the servo mounted in the driver may be going bad or is picking up some noise.

Second, Something in the amp section is going bad, hard to pinpoint the exact problem.

you say that it plays, so I tend to think it is the driver mounted servo unit.

If it is within the warranty time, take the unit back to the retailer you purchased it from, if not contact Velodyne for repair.

Posted on Mar 28, 2009

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One of 2 things is going on.

First, the servo mounted in the driver may be going bad or is picking up some noise.

Second, Something in the amp section is going bad, hard to pinpoint the exact problem.

you say that it plays, so I tend to think it is the driver mounted servo unit.

If it is within the warranty time, take the unit back to the retailer you purchased it from, if not contact Velodyne for repair.

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