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Help i got the coby sub woofer with the 1 surround sound speaker. I can only hear the sub woofer and not the actual music from the song what do i do ?

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1 Answer

What can cause a sub woofer and room speaker woofer to stop

Check wiring for loose connection...may have to open speaker enclosure.

Jan 04, 2016 | Velodyne CHT-8 Subwoofer

1 Answer

Sub started to crackle and now is not working

Sounds like you may have a blown (open) speaker. Remove the speaker and measure the DC resistance if you have a ohmmeter. Should read a little under the rated impedance (4 ohms). No ohmmeter handy? Touch a 9V battery across the speaker terminals, and you should hear a pop from the speaker. No pop then you have a bad speaker. Also the speaker should move freely when you push on it. Don't push the dust cover (the dome in the center) unless you like that dented look! If the speaker is indeed bad and you can't get an OEM (P/N: 363389-001) then an aftermarket speaker should (in most cases) work fine. Just make sure it is a 12", 4 ohms and rated at 250W RMS or greater. May actually be lower than 250W but better higher than lower. Good luck!

Apr 14, 2014 | JBL ES250P Subwoofer Speaker

1 Answer

Hi i don't have a problem but where can you perches one and how much are they al= intrested

You can buy speakers and Sub-woofers in Charity shops, Curry's, Walmart, Asda, Pc-World, Absolute-Music the list goes on. Any shop that sells Electrical equipment, you will find speakers in. Any shop that sells TV's or Computers you will find Sub-Woofers in and most likely 5.1 Surround sound systems as well.

If your looking to buy a Problem well just look around the adult popups from adult websites or if your not yet 18 look at the websites on sites such as NOT RECOMMENDED
It is supposed to be a freebee site called magic freebees but I grantee it is scam and if you try to claim a freebee of any site like that they will ask for bank details.

Looking to buy a Problem is not wise.

Sep 21, 2013 | Speakers & Subwoofers

1 Answer

MX6050D Subwoofer Issues

Hello, welcome to Fixya!

Fault is either from the main system or the sub-woofer itself.

You need to test both unit in order to detect which of the two is giving the fault, so that you can concentrate on the faulty unit.

Test the woofer with a AA battery or any other battery. Put your ears close to the woofer and observe if you will hear any sound. If the woofer makes sound, then it means the woofer is working, but if it doesn't make sound, then it means the woofer is defective. Or you can disconnect one of the working speakers and connect the woofer to that part. If there is no sound, then obviously, the woofer is defective.

If the woofer seem to be working, then the unit needs to be tested also.

Connect one of the working speakers to the sub-woofer's section of the main unit. If the speaker doesn't bring out sound, check the system's menu settings, check the volume and make sure the sub-woofer volume is raised to the highest level and not on mute. ( Note that most Theater systems has separate volumes for each speakers). If the volume is raised to the highest level and there is still not sound from the woofer part, then it means the woofer channel has burnt. It could be a fuse or a defective channel. At this point, I think you need help from a repairman.

I hope the above is clear.


Nov 17, 2011 | Speakers & Subwoofers

1 Answer

I have a Celestion CSW Sub woofer. It powers on as the light lights up but I get no sound i checked the fuse and it seems to be great and intact. I also checked the actual driver to see if it was blown or...

This speaker has a low frequency roll-off filter. Does your program source have low enough frequencies to pass through the filter? The effect of the subwoofer on most music is very subtle unless there is heavy bass in the source. You should try some songs that have a heavy under beat.

How are you driving the CSW -- by way of the line input or as a series connection to your full range speakers?

Jul 13, 2010 | Celestion CSW Speaker

2 Answers

Unable to get sound from tv to output from surround sound

as the tv stations that were being feed into the system were digital and the nput was actually analgoue 2 optical cables are required.
have tv sound and blue ray sound through surround sound when tv channels were changed to analague.

Mar 22, 2009 | Kenwood Speakers & Subwoofers

1 Answer

Sound comes only fron one rear speaker

Did you try switching Speakers A and Speakers B button on the AV receiver?

Jan 10, 2009 | Bose Acoustimass 10 III System

2 Answers

Subwoofer probelm

I suspect you have a bad cable, a poor ground or a bad
power supply inside the speaker amplifier. The amplifier
(inside the sub-woofer) could also be defective.
1) Bad cable or connector:
If the (braided shield/outer tube) of the coaxial input cable is
not grounded, the cable will pickup line frequency "hum"
from surrounding power lines, house wires, lights and

This hum is then amplified by the speaker's amplifier
causing the constant bass sound you speak of.

Because the hum frequency fundamental is 60 Hertz in
North America, 50 Hertz in Europe, you hear it coming
mostly out of the sub-woofer, because the midrange and
high speaker circuits filter it out.

Check the input connectors, cable at both ends, wiggle
the jacks at a low volume setting to see if it changes.

Make sure that you are indeed using a properly shielded
coaxial cable.

A coaxial cable consists of a thin inner conductor, surrounded
by a flexible tube made up of a braided metal shield, which
must be grounded. This prevents hum from being picked up
by the sensitive amplifier inputs.

2) If the power supply within the sub-woofer's internal amplifier
is defective, the the power supply hum will also get coupled
into the amplifier and speaker with same results as above.

Power supply hum is typically twice the line frequency,
i.e. 120 Hertz, but not always, depending on what
component failed: Rectifier diode, filter capacitor, or
the voltage regulator.

3) Ground loops:
When you run very long cables between the source and
destination of an audio signal, multiple ground paths (must)
exist between the two points in space, creating complete
loop circuits.

Power line hum from the environment can (will) induce
heavy AC currents around these loops, creating a voltage
gradient across these cables, and in-between the end

Once again, this AC hum is coupled into the amplifier inputs.

Ground loops become a problem with cables over 10
feet long, and an astronomical problem for stage audio
engineers. To avoid ground loops, they must break
the circuit's continuity by using isolation transformers,
optical isolators, and/or differential input amplifiers.

So how long are your cables?

Most house stereo components are only designed to
handle 6 to 10 feet of cabling max.

30 feet is already asking for major trouble.

4) Feed back oscillation: This occurs when the output of
an amplifier is fed back to the inputs with a round trip
gain greater or equal to unity. The tiniest little electrical
disturbance is then amplified and re-amplified, over and
over again, usually at one preferred frequency, causing
the typical (ear-splitting) microphone squeal or howl.

In your situation feedback and/ loss of original signal
could be the result of mis-wiring the input cables.

Note that this is NOT as silly nor as unlikely as it sounds,
because many computer audio cards and even some
home stereo systems have re-configurable inputs and

SOFTWARE configuration decides which jack at the
back does what !!!!

On my computer, for example, the Realtek audio driver
tries to automatically figure out what cable is connected
to each jack (usually it gets it wrong)

Using the Realtek control panel applet, I can then
manually re-configure the gray jack as input,
the green jack as bass, pink jack as center.... etc.

If this situation also applies to your system, please check
the software configuration. Connecting an output cable to
an input jack will certainly cause a lot of HUM and not
much music.

5) Finally, don't rule out internal sub-woofer failure. Unlike
the passive stereo/hi-fi speakers of days gone by, modern
multi-channel theater systems with front, center, rear and
sub-woofer speakers are internally amplified, with active
frequency cross-over filters and special effect/ surround
sound capabilities.

Usually, the large sub-woofer contains most of the
electronics, amplifiers and filters.

It feeds the other speakers, and it is controlled by
an external volume control module which can be separate
or built into one of the tweeters.

These sub-woofer electronics are prone to poor design,
overheating and early failure. (Even fresh out of the box
like yours)

If you cannot get it working, take it back to the store,
and make the NICE salesmen **** with it.

Good luck
Please rate my answers

Jul 20, 2008 | Yamaha 5.1-Ch. Surround Sound Home Theater...

2 Answers

Sound problems through subwoofer

check all speakers wires andcheck test mode. every thing ok, may be input wiring problem ,check every thing after that internalcircuit may be problem..

Oct 08, 2007 | Speakers & Subwoofers

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