Question about Logitech X-540 Computer Speakers

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Fuzzy & crackly

These x540 worked great till one day out of the blue speakers got fuzzy an crackly an the left ones are louder then the right ones....nothin out of the norm happend to them.... the sub still bumps very loud...i have an old altlc sub an speakers so i hooked up each of the x-540 speakers to see if it was them (if they where blown) and its not the speaker...there crystal clear....any advice

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Its the problem with the ac adapter which you are using might be your adapter is not working properly the adapter consists of step down transformer which is not very much durable some times so change the adapter and see if u dont have any adapter to connect just the direct wire to the supply then the adapter will be inside of woofer or the speakers change that adapter check this it works

Posted on May 09, 2008

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Posted on Jan 02, 2017

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Nissan Maxima 1997 Stereo not turning on at all!!


Here is a list of radio wiring harness wire color codes and what they do. I have given both with and W/O Bose.

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I think I have experienced this problem before with my Sony stereo set. It could be a sign that your receiver's amplifier is giving out. Best that you can do is bring it over to an audio repair shop for a checkup. If my suspicion is right, you're gonna have to replace it with a new one. Don't worry, amplifier chips are not that expensive.

And lastly, when any part or component is replaced, be sure to ask the technician to give it to you. You can keep it for your reference.

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Volume fade


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The symptoms you are relaying definately sound like an internal amplifier problem. It is fading in and out for a reason - usually due to heat.

Have you had the radio bench tested (seperate from the car) to eliminate the car as being the culprit?

Since the radio was run with damaged speakers originally, the output or amplifier power supply on the amplifier may be bad.

As an alternative to repairing, I would suggest investing in a small 2 channel amplifier to power the speakers.

The radios claim 50W per channel, but in reality give 12-15W RMS power.

A dedicated amplifier with built in crossovers and gain adjustments will prolong the life of your speakers and add to the tonal qualities of your new speakers. Instead of turning up the volume on the head Unit, and sending out a distorted signal that will blow your speakers, an amplifier will give more CLEAN power to them, so it will be louder at a lower volume setting.

This will bypass the internal amplifier on the radio, and send a Low Level signal ONLY thru a set of RCA cables.

Good Luck!!

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