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jakey1995abc's picture
Last seen: 4 years 11 months ago
Joined: Sep 29 2018 - 9:08am
Static/crackling noise in left speaker (Creative GigaWorks T40)

I need help solving the following issue...

I have the Creative GigaWorks T40 Series II speakers, and for the last 2 years I've had constant static/crackling sounds coming out of my left (secondary) speaker when powered on. This is regardless of whether or not I have anything plugged into these speakers, so it is definitely an issue with the speakers themselves. This started to occur when the power cable was accidently unplugged from the back of the right (primary) speaker when still powered on. I've noticed that the volume of the static/crackling will go up when I turn down the bass and treble knobs on my speakers, and it will become quieter when I turn them up. The volume knob on my speaker on the other hand does not affect the static/crackling noise whatsoever. I am also speculating that colder room temperatures are causing the static/crackling noise to become louder, as during the winter the static is really loud, and during the summer it is barely audible.
In case you are wondering, this is what I mean by static sound:

Does anyone here know what the issue could be, and if an audio noob like myself would be able to fix it?

Old Audiophile
Old Audiophile's picture
Last seen: 1 month 2 days ago
Joined: Jun 15 2017 - 7:34pm
Capacitor(s)? Transitor(s)

Don't know, for sure, but sounds like capacitor(s) and/or transistor(s) issues.

commsysman's picture
Last seen: 1 year 9 months ago
Joined: Apr 4 2006 - 11:33am

You say they make noise "wnen nothing is plugged into them"???

You mean when they are completely unconnected?

That would mean that the amplifier circuit driving the speaker is defective. It could be a bad capacitor, IC, or transistor.

A tech needs to get into it with an oscilloscope.

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