Question about Speakers & Subwoofers

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No sound comimg out

My velodyne sobwoofer has power but no sound is coming out

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  • kbell9 Jan 13, 2009

    My receiver has a dedicated subwoofer jack and yes the receiver is producing output.My receiver is a brand new Yamaha RX-V663

  • horia_tara Mar 31, 2009

    i have also purchased a yamaha sub and i have the same problem..no sound from the sub...i have power, volume signal and the cable is connected propperly...what do you think might be the problem ..a friend of mine told me to check the subwoofer settings in the ysp 4000 menu...does anyone know a solution to my problem?

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  • Master
  • 948 Answers

In order to get sound from your sub you need three things: power, a cable to get the audio signal to the sub, and a signal from the audio source hooked to the other end of that cable.

You have power. Tell me about your cable(s) and signal. Are you running the speaker wire directly to the sub and using a built in crossover, then from the sub to your speakers? Or does your receiver have a dedicated subwoofer jack, and if it does, is your receiver producing output on that jack?

Posted on Jan 10, 2009

  • Dick
    Dick Jan 14, 2009

    Which model of Velodyne do you have?

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I have 2 velodyne fsr 12 subs. both were taken out by PG&E power surges. One make a white noise that cuts in and out, but will still play bass when fed a signal, the other makes a loud static sound...


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Velodyne-FSR-12-Subwoofers-manual/id/866ag600/t/2/

Not that it would help.

Is the white noise present in the absence of an input connection, free-floating?

The amps in both of them sound like they

Mar 24, 2011 | Velodyne FSR-12 Speaker

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SPL8R Velodyne sub - Same probelm


Go to the Velodyne web site and check the service center locations.

They may have one in your area.

It sounds like the amp may be the problem. That may be all you need to send.

Best bet, Contact Velodyne.

Jun 08, 2009 | Velodyne HGS-10 Subwoofer

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Subwoofer does not play at full power


Sounds like you have an amp problem.

The only place to get this fixed is Velodyne.

Apr 09, 2009 | Velodyne SPL1000R Subwoofer Speaker

1 Answer

No sound


1. Verify unit is plugged in and power outlet used is active.
2. Is power switch on?
3. Is auto turn on/off set properly?
4. Is unit receiving an input signal from your source?
5. Have all controls on subwoofer (volume, crossover, phase, etc.) been
properly set?
6. If unit has been running at high levels, one of the protection circuits may be engaged.
7. Has the built-in amplifier overheated?

http://www.velodyne.com/products/manuals/DLS.pdf

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1 Answer

No sound for Velodyne ct-100 sub woofer


Sounds like a dead amp. You could check the xformer output and the amp IC's with a VOM.

These amps do not cost a lot, about $40.00. and are easy to replace.

Contact Velodyne

Feb 25, 2009 | Velodyne CT-100 Speaker

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Sounds like your amp is damaged.

Jan 29, 2009 | Velodyne VLF-1012 Subwoofer

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My Velodyne CT 80 powered subwoofer does not power on?


Fuse in amp may be blown or the amp is dead

Contact Velodyne, the replacment amp is not very expensive

Sep 03, 2008 | Velodyne Speakers & Subwoofers

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

2 Answers

Major buzz/Humming sound coming from my subwoofer


Well there are only a few reasons i can think of that just might be the reason behind said buzzing.

1. It may be connected to another power source ( amplified or powered supply ) or incorrectly connected. It may also be too close to said power supply.Try letting the dog (sub) out on his leash a little Drag out the manual that came with the sub, and check the correct procedure for your type of setup.
**People do read manuals still don't they ?**

2.The only other problem i have heard of is port noise in low registers. Keep the the port area clean, as it may suck up dirt, or even worse, small children!

3. However, if you're considering placing this subwoofer in a cabinet, I'd recommend allowing ample breathing room for the heat sink. This can also be done by drilling smaller holes in the cabinet ( 8-12 mm holes - with the owners permission of course) but please do remember to keep the port area clean.

4. The product ie: Velodyne DPS-12 Subwoofer, came with a bad power supply, presuming it is new, check your warranty.
(not very likely - see also scenarios 1, 2 or 3.)

Velodyne has been making subs forever and do it well.


Jan 17, 2008 | Velodyne DPS-12 Subwoofer

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