[gui-talk] static problem and question

[David Andrews]

GSM cell phones also commonly produce some interference -- I believe 
you have a KNFB Reader.

Dave

At 12:43 PM 10/22/2008, you wrote:
>Hey Doug --
>What kind of cleaner would you recommend?
>I also got a private mail suggesting that there might be a radio
>transmission nearby that could affect the speakers. I don't think there are
>any hams close by. (I just got my ham license but haven't run a radio yet.)
>Also, the static didn't sound like radio interference -- a lot of random
>crackles and pops, and it only happens in 1 speaker and occasionally.
>As for the sound device, that would be my computer, which seems to be
>working.  I never use the balance knobs, but turming up the sound to high
>volume does not cause anything to crackle.
>I checked the cords and plugs. They are plugged in tightly.  Since I don't
>move the speakers around a lot I wouldn't guess it would have a broken wire,
>but maybe it could.
>Anyway, thanx for the note.
>--le
>
>----- Original Message -----
>From: "Doug Lee" <dgl at dlee.org>
>To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
>Sent: Tuesday, October 21, 2008 10:51 AM
>Subject: Re: [gui-talk] static problem and question
>
>
>This can happen for any of the following reasons:
>
>1.  An old or dirty volume or balance control.  Spraying tuner cleaner
>into it might help.
>
>2.  A loose connection, dirty plug, etc.  Cleaning plugs and/or
>spraying a tiny amount of tuner cleaner into the speaker jack may
>help.
>
>3.  A speaker wire that's beginning to break internally.  This would
>require a wire replacement.
>
>4.  A sound device that is beginning to fail.  This seems rare but
>would of course require a new sound device.
>
>I listed those most frequent first.  The last one I've only seen with
>one sound device, that being an Audio Advantage Micro USB device.
>
>On Mon, Oct 20, 2008 at 12:14:14PM -0500, tribble wrote:
>Hello all --
>The configuration I have at home is a laptop connected to external speakers
>to get better sound than the laptop provides.
>The speakers are medium quality -- cost about $100 I think -- and I've been
>mostly satisfied with the sound, but lately the left speaker has been
>spewing out bursts of loud static for no reason. It just happened now.
>Sometimes it happens even when my laptop is turned off. (Hmm. I guess I
>never do turn off the speakers...) I have had the speakers for several
>years.
>Question: Is this the beginning of the end for my speakers? Is there a way
>to fix or isolate the problem? Is it significant that I leave the speakers
>on all the time even when I'm not listening to anything?
>I don't know the make and model of the speakers -- that would require
>sighted assistance to identify.
>Any comments/answers are welcome.
>Thanks!
>--le
>
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>--
>Doug Lee                 dgl at dlee.org                http://www.dlee.org
>SSB BART Group           doug.lee at ssbbartgroup.com
>http://www.ssbbartgroup.com
>"Pray devoutly, but hammer stoutly."
>--Sir William G. Benham
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