Question about Velodyne HGS-18 Speaker

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I just bought a used Velodyne hps 18 subwoofer. I am hearing popping sounds even at idle. What might be causing it?

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This is related to the "servo control" circuit.

For repair you will need to contact Velodyne.

Posted on Nov 21, 2009

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I have the velodyne DLS4000R and it keeps popping at high volumes ??


Popping ????? if popping sounds mechanical: chek for speaker blowned (replace or repair speaker)
if popping sounds electronic: chek circuitry.

Apr 03, 2011 | Velodyne DLS4000R Subwoofer Speaker

1 Answer

My subwoofer keeps poping and then stops working


larryagross,
Sounds like you blew the speaker! The amp is sensing the voice coil is connecting to the speakers magnet or iron core and is going into a safe mode. It is possible to blow the coil even when the sub has a built in amp.

First make sure that you have the gains properly set ans not all set to their maximums. Second, disconnect signal to the sub then unplug the power for a few minutes. Third, plug the sub into a source of power on a different circuit using a surge protector.

Does the speaker make any popping at the time it powers up? If so you have a amp problem. If there is no sound produced, connect it back the the system using a different signal cable. Does the speaker now pop again when sound is produced. If so the speaker has failed. Contact a Velodyne repair facility.

-Chris

Aug 10, 2010 | Velodyne CT-80 Subwoofer

1 Answer

No light no so sound, but when turn on or off we


Contact Velodyne, you may need service on the unit.

Dec 22, 2009 | Velodyne DPS-12 Subwoofer

1 Answer

15 inch velodyne subwoofer making a loud popping sound


If you have changed the signal source, then these may not be the problem at all, it may be that you have the sub output set to low on your processor.


This may be one of these problems.

It could be the "auto on" circuit.
If you change the switch on the back of the unit to always on does it still do this? if not then it is the auto on circuit that is the problem.

The driver mounted servo unit is starting to fail.

A cap in the amplifier input section may be going bad.

You nwill need to contact Velodyne for repair of the unit.

Feb 20, 2009 | Velodyne HGS-15 Subwoofer

1 Answer

Velodyne SPL-1000 II subwoofer only snaps, pops and hisses


Go to the Velodyne web site, look under the support section and check the service center listings.

Also you could try the place you purchased the unit.

Dec 30, 2008 | Velodyne SPL-1000 II Subwoofer

1 Answer

Velodyne ULD-12 driver voice coil sensor availability


Contact Velodyne. That is the only source for this part.

Oct 05, 2008 | Velodyne DD-18 Subwoofer

1 Answer

Subwoofer has power but not getting sound


Some ideas.

Blown fuse in the amplifier section.
Dead amplifier
Dead speaker.

Amp is not that expensive, call Velodyne

Apr 29, 2008 | Velodyne CHT-10 Subwoofer

1 Answer

Veloodyne DD12


Sounds like the accelerometer has gone bad.
It may be the amp, hard to say for sure

Contact Velodyne or the place you purchased the unit from.

Jan 14, 2008 | Velodyne Audio Players & Recorders

1 Answer

Dd-18 no sound coming from it...


You could try disabling the auto-on feature or you could try a factory reset or firmware upgrade.

Swap the wires between subwoofers to see if its the wiring.

If its no longer under warranty you could try swapping the amp modules or the fuses, this will tell you if its a fuse or the amp or the driver... however by doing this you risk blowing up the second working amp or voiding warranty.

Last year I had an amp failure on my velodyne and it cost 250 for a 2007 replacement.

Dec 05, 2007 | Velodyne DD-18 Subwoofer

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