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My sansui subwoofer sb 1000 makes a scratching noise when it is switched on it sounds like white noise

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If you are turning a knob to get it to turn on, the rheostat is dirty. You can either take it apart and clean it with tuner cleaner or replace it.

Posted on May 13, 2013

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There is NO greasing or lubricating a SB 1000
You must have some other problem....

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Image disappear, loud, high pitch noise


It is likely that your Sansui TV has a power supply problem.

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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

1 Answer

My subwoofer keeps making a clunking noise...How do I correct this problem?


The clunking noise could be the voice coil maxing out hitting its stop or a warped voice coil. How much power is going to the subwoofer. If it only happens when the high volume setting it and not at medium volume the subwoofer may not be able to handle the power. With your hand gently push the speaker cone back and release the cone so it can return to its rest state several times. Do you hear a scratching sound or feel any resistance? If you do your voice coil is damaged if not from physical means it could be from the voice coil overheating. If it is OK shake and rap on the subwoofer box and try to identify any loose parts which could be making noise.

Aug 13, 2010 | Denon Audio Players & Recorders

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Im having trouble with connections from kef psw 1000 sub to onkyo tx sr506 amp. sub is making a bit of a humming noise but not getting any proper sound through. dont know what im doing wrong. can anyone...


Have you got the sub defined to the Onkyo correctly? Try conencting the sub's input to one of the Tape Out connectors and play some FM through it. That will prove if the sub is alive. The nwe can troubleshoot the correct failing device.

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1 Answer

Faulty sound on Panasonic home cinema system


If you can leave off the subwoofer (disconect it) and the sound distorts you know it's the amp.
In either case you are looking at a transistor or IC that has a heat problem. You can find out which by spraying with Servisol Freezer spray on to a suspect device, when the distortion is there. If it goes away when the suspect is cooled, then it's gone. To confirm it heat it back up with a soldering iron, it should then start acting up again.
You should be able to get the spray from Maplin (UK) or Radioshack (USA), or that type of shop.

Nov 29, 2009 | Panasonic SB-WA100 Subwoofer

1 Answer

Subwoofer FPS 1000 4.1 sound bad


hello,

I had a problem closely with my FPS 1000 4.1 sound works four point surrond : my subwoofer sounds a metallic noise when the bass are loud.
Maybe it is the same problem ? :

It were vibrations that go through the subwoofer and cause the noise.

Check the four screw well (the four hole on the back of the subwoofer). Put your finger on them to clog them and hear if your problem is solved.
If yes, put scotch on them.

Secondly (i think you have disassemble your subwoofer), you can put silicon joincture on the box near the circuit, under the translucides cables. (the box where there are the plugs). >> if there are any hole between his box and the speaker, there will be some metallic noise (vibrations trough the box and the back plugs).



bye

Jan 17, 2009 | Infinity FPS-1000 Speaker

1 Answer

Noise while zooming with sb-600


sb-600/800 make a distinct motor-spinning noise when zooming, this is normal. Any grinding/clicking noises are not normal.

Jan 25, 2008 | Nikon Speedlight SB-600 TTL Flash

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