I have purchased Creative 2.1 a few years back. I am finding that the sound quality has deteriorated recently. A lot of dust seems to have settled on the speakers. Could this be a reasonfor bad sound quality? Frankly I haven't done much maintenance myself. I will be happy to get some tips on how to clean the dust and keep it from getting inside.
Yes.speakers like all the other computers parts need to be maintained very well.dust can deteriorate the sound quality.Regular servicing might help out to get the original quality.Else you can do it on your own by cleaning with a normal hand brush.Hope this helps you out.Please do rate If this could solve your problem.
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click start control panel
hardware and sound manage audio devices playback you should see your speakers
right click select enable or you might have to configure them this option will
be at the bottom of of the playback list also right click on the speaker select
properties you should see a few tabs general levels enhancement and advanced you
might find you need to select a different option possibly stereo or dvd or
studio quality hope this helps you
If you have the money, the 540 will give you the best bang, and if you want to spend less, go for the Creative. All 3 sets perform with about the same quality, so it comes down to room size, and how much volume you want to extract from it. Quality of sound will be more dependent on the sound card than on the speakers.
There are several companies selling these so called surrounds. There are foam and rubber surrounds. Stick to the same material as you may otherwise significantly alter your system's sound. Just google "speaker repair" or "speaker surrounds" and you will find several. You can ask them to repair your speakers (which may be fairly expensive) or you can order the surrounds and glue (you can not just use any glue) and do it yourself.
I have done such repairs a few times myself and it is absolutely not difficult.
Speakers need to be used much often.If they are left without using they might get affected with dust and charge storage.It happens with generally every brand. The solution could be either servicing it or generally using it very regularly.
The problem is a burned transistor inside the subwoofer. It depends of country's transistor manufacturer. It is supposed to be of a low quality. It's not important for the scope. Mine is knocked down for a year. I saved the electronic schematic diagram and the transistor specs, but lost. I confirmed the cause opening the subwoofer and examine the board. The indicated transistor surrounded area is burned indeed. If anyone find the article in web, please, post here.
If you check the Creative forums there is a thread there where a few people have started to fix problems like this permanently and they have helped quite a few people fix their problems. I would only suggest checking it out if you have any electronics experience (soldering, and basic troubleshooting minimum). Otherwise I would send it back but keep in mind that this is one of a few common problems with the S750's and you are likely to have other problems in the future unless you take measures to fix the problem that creative has not.
I would also like to point out that your problem would be a short on one of the amp boards after the power regulators, very likely one of the STA575 amplifier ICs. Those are not easy to find but it is possible to find replacements.