Question about AKG Perception 820 TUBE Microphone

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Crackle noise in mike

Low volume

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Hello lew check the main cable or even the conector change them
there are some intermitent electric touches or going ground yours antonio

Posted on Dec 30, 2013

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SOURCE: Excessive line crackling noise

The service manual is at www.akg.com/mediendatenbank2/psfile/datei/19/C4194055d1fa264a7.pdf. You will have to replace the wiring that goes to the cartridge through the gooseneck.

Posted on May 26, 2009

  • 140 Answers

SOURCE: crackling noise and low volume

If the mic is a condensor you would need to have phantom power, or it will not work. Use a small mixer or externat power supply. We here at Pro Line Music Have small mixers that have phantom power. 215-736-8055

Posted on Jan 05, 2010

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My TH-15A starts making VERY loud crackling noises after a few minutes of being turned on. It does not matter if an XLR cable is plugged in or not, and the volume control does not change the volume of the...


buy a canister cold spray and spray on some active components if the noise begins You have a thermical failure in a component on the board can be faltering resistorcircuits or resoldering some active components.

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Itube fatman mk1 volume dial making a crackling noise


Try spraying switch cleaner into the volume control and working it from side to side. It sounds like it may be worn, dirty or corroded.

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My peavy kb300 produces a crackling noise & cuts off intermitently when I raise the volume on all 3 chanels.


Low Voltage power supply regulation issue, particularly with +15V and -15V.

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I have been experiencing static noise/crackling from my front left and right speakers just recently. (I have a 5.1 dell system - the front center - attached to the monitor and rear speakers do not emit...


This seems like at cables have gone bad or either the connections in the speakers went bad. Its best to replace them unless you know how to disassemble and re-soder the connections.

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My Korg c15s has a lot of grating staticky noises when played ....I'm told it cannot be repaired as Korg no longer makes parts for this model?


I have a Korg C-15s and also experiencing loud crackling sounds when I turn it on. The problems seems to be either the sliding volume control or the amplifier itself. Honestly though, I believe the issue is the volume control. I opened my piano to get a closer look and attempted to clean the contacts on the volume. Unfortunately after cleaning the contacts, the crackling sounds became somewhat worse. After I turn the piano on, the volume control is generally rendered useless......volume set to low volume and the noise is quite loud and other times the volume control is set high and get very low volume crackling noise. No real consistency. The noise does diminish after a few minutes but so does the piano sounds to an inaudible level. There were a couple of instances where I turned it on and surprising enough, no no noise and perfect sound. For these reasons I believe the issue is within the volume control and not so much the amplifier. I have an electronics background and noticed that the volume control is very unique in design and is not something that can be substituted with another volume control from other sources.

My recommendation is to check the sound quality of the audio from the RCA L/R audio outs on rear of the piano by connecting to a stereo receiver. If it sounds fine you're in luck. If the crackling sound does not diminish after a few minutes like mine does, I would suggest disconnecting the internal speakers and using the audio out only. You can connect a pair of studio monitors or high quality computer speakers, preferably with a small subwoofer to deliver the full audio range and deeper tone of a real piano. I'm currently using a basic pair of Logitech computer speakers and is quite acceptable until I can afford a high quality set of monitors or relocate my piano closer to my high quality Yamaha receiver.

I hope this info helps a bit.

Aug 18, 2010 | Yamaha Full-Size Keyboard

1 Answer

While playing call of duty 4, the explosions make the TV's speaker go to a loud crackling noise, Only this game does it.


That's because explosions are pretty much only low frequencies, otherwise known as bass. Your tv crackles because the low frequency emitters of your tv are either of low quality or malfunctioning. If you lower the volume of your tv it should fix the problem.

Mar 25, 2010 | Sony Playstation 3 (PS3) Console

1 Answer

I have a wharfedale svp15 passive loudspeaker. The subwoofer has started crackling and popping at low volumes and has no deep bass. At high volumes it sounds great as usual and can't tell if the crackling...


Information I find online says it an Active Subwoofer, so that introduces its own amp as a possible source of the symptom. If there is another version of this model that's passive, all the more reason to believe the amp is the problem because passive speakers don't spontaneously emit sounds.

If there was a physical reason for the crackling I would think more power would make it worse or blow it up.

A poor sub signal cable connection might explain low current anomalies if random noises are entering the signal path.

Make sure the signal, speaker and power cables are not aligned parallel and close to each other.

Feb 26, 2010 | Audio Players & Recorders

1 Answer

Excessive line crackling noise


The service manual is at www.akg.com/mediendatenbank2/psfile/datei/19/C4194055d1fa264a7.pdf. You will have to replace the wiring that goes to the cartridge through the gooseneck.

May 25, 2009 | AKG C419L Professional Microphone

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Noise when changing the volume and connecting speaker to anything.


firstly check the cable, some times it may in loose contact
otherwise any radiation equipment is located near by the amplifier,
sol. replace the location of the amp. and check cable loose contact

other wise
it is due to its amplifier IC problem, it is weak due to over load signal, or temperature of IC make leakage
sol.replace IC

Oct 24, 2007 | Logitech Z-5300 Computer Speakers

1 Answer

JVC RX558 VBK, Crackling noise from speakers


A quick quess of mine is the following:

The OVERLOAD indicator lights up when the receiver is maxing out on the current it is sending to the speakers. My guess is there is possibly something wrong with the receiver itself, especially since the B speakers won't play. Either that, or something is broken in your speakers or you are using a set of speakers that have too low an impedance rating for your receiver.

Apr 23, 2007 | JVC RX-558V

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