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TV speakers crackle

I just bought a 22" Vizio. It worked great and then last night the speakers began to crackle and pop (really badly- you can't even hear the TV show you are watching). The TV is connected to a TIVO which is connected to a cable box (not using the HD). Is it the TV or the cable?

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  • Anonymous Jun 07, 2008

    I got the same problem with my Sony

  • lpieta Sep 22, 2008

    I also have the problem with my Sony system. It was fine until about 2 weeks ago (it's 6 years old). It seems to only affect the 2 rear speakers. It's fine when using the stereo and dvds but not with the tv. I switched the rear and front speakers to see if was the speakers, it's not

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Ngfhn

Posted on May 27, 2008

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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!

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This model has very cheap pots. What really happens is the center pin on the pot breaks leaving the wiper that rides on the carbon track to lift, causing this problem. Use caution as this condition continues the pot will go bad enough to send max volume to the system causing severe damage to the speaker, and maybe the listener. THE GREAT OZ.

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I bought a Behringer Eurolive B1220 Pro speaker with my PA system brand new and it sounded great at first. Now it sounds really muddy (the other 2 speakers I bought work fine) almost as if the horn has...


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1. PLEASE use enough power for the venue that you have. A high powered system will run all night at 10:00 (physical volume knob setting) than an underpowered system set for 2:00.

2. Get speakers off the ground and closer to your audience's ears. Audio from speakers on the floor must battle surfaces that actually absorb some of the sound....carpet, drapes, etc. And besides, legs can't hear that well.

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I have a powered sub for my surround sound and every now and then its starts crackling and popping. i can make it stop by playing with the volume knob or even tapping it sometimes. my old sub did the same...


Does the crackling and popping sound comes only from the sub, or from the other speakers too? Try switching of to check. I think that it is problem on volume control potentiometer. In that case all the speakers must sound crackling and popping. If the problem is only in the sub you have to check its connections.


Stelios.

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1 Answer

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One possibility is that the mute switches on your speakers have oxydized contacts INSIDE the switch - this kind of malfunction mostly occurs when the equipment is exposed to moisture and/or smog.

The most common solution is to change both switches, but they can also be disassembled and cleaned up (which is a bit more complicated and time consuming).

Another possibility is a dried up filter capacitor in the power supply or somewhere in the preamplifier section, possibly also a bad preamplifier chip but if your speakers work fine (with the exception of the mute switch noise), then the problem is more likely with the switches.

Also, check the internal connectors for any dirt, broken wires or desoldered pins.

Could also be something else, you should know i'm only assuming on the possibilities and i'm listing the most common problems i've encountered so far.

Regards

3rq8 (Triarcuate)

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Does it only pop and crack when its connected to your amp or receiver ? i have the same thing with my sub [its not cerwin vega] but when i turn my amp off the sub doesnt pop anymore so i think my amp is the problem not the sub , yours might be the same problem .

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