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Scratchy noice on mic channel - Behringer XENYX 2442FX Mixer

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Question about Peavey Escort 3000 300 watt portable PA, both right and left mains work fine, but the right speaker has distortion sound. Even if I change speakers the right out speaker circuit is dist


sounds like an internal connection problem. open access panel and check the solder connection is not broken or loose. Be sure the metal mesh jacket is not touching the lead wire as that would cause a scratchy noise and feedback, or maybe near the internal cable causing feedback

Aug 06, 2014 | Peavey Escort 3000 300 Watt Portable PA...

2 Answers

My behringer pmp3000 doesn't seem to have much power to use my two peavey 12" speakers and use a mic. I have to push the gain and faders up more than I think I should have to, to get a decent level of...


Where do you have the gain control set on the Mic channel ?
If you have no issues with either the speakers or the Mic, and the gain control for the channel you have the Mic plugged into is set at a somewhat "normal" position, you might have a problem with the mixer itself.

Oct 28, 2013 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

Add to the question of hooking up 4 mic channels to a single compressor: I have a samson 16 channel mixer ( 8 mic inputs ) and a 4 channel compressor. I want to be able to use the compressor to compress 4...


Is there some reason you can't use one of you're aux sends for the compressor? You can then dial up as much compression as you want on each individual instrument. If you're determined to get the 4 mics into one compressor input.... Only thing I can think of is use TRS insert cables on the 4 mic channels - tie them all into one compressor input through a small patch bay or similar. Then bring your return from your comp to a 5th channel. Impedance matching is completely out the window so no promises on results.

Sep 27, 2012 | Samson TXM16 16 Channel Powered Mixer,...

1 Answer

Does anybody know how to fix built-in microphones on rolland BR-600. When I attempt to record, the only sound that gets recorded is noice (hissing sound), and that only after cranking rec volume and mic...


Most of these have a SETTING in the menus that selects the source from different mics and/or line inputs. If the setting is to the line input instead of mic, and no audio is connected to the line input it will act like you described.

Jun 23, 2011 | Boss BR-600 Digital Recording Studio

1 Answer

Soundcraft Gigrac 1000st distortion in the mic inputs. The rca line in is fine and clean. No effects on the mic pre sounds like its breaking up at any volume level. really dissapointing.


You should be using Dynamic mics such as a Shure SM58. They go into the first FOUR channels and if there is excessive gain and distortion, push in thee Pad button below the connector for those four channels. Inexpensive consumer microphones used with some Karaoke home systems are not suitable for this unit. You should be using XLR cables on the mics (balanced lines). The Pad buttons reduce the gain by a fixed amount of -20 Db for mics that have too much output to be controlled by the gain controls right above the connector. Ideally those should be no less than 12 o'cloock for good signala to noise ratio. Additional channels beyond the first four do not have as much gain and they do not have the -20 Db pad option.

May 15, 2011 | Soundcraft GigRac 1000st Powered Mixer...

1 Answer

Presonus studio channel has no sound


Assuming you are connecting a microphone to this, if the mic is a condenser mic, make sure you have Phantom power on the PreSOnus turned on. You have given us almost no info of your configuration of mics and other devices connected to this unit.

Dec 26, 2010 | PreSonus Studio Channel Tube Channel Strip...

1 Answer

Mic output of my pmp3000 is weak,levels must all the way up to get any mic sound louder,Im using balanced xlr's for my mics, Is there any adjustable sensitivity adjustment inside the mixer? like the one...


Some mics will require the trim gain to be full on. Check the mic gain by pressing the PFL for each channel and set trim to be below the clipping level with maximum vocal into the mic.

There are some low output mics that may be inadequte as far as output goes. Shure SM58 are industry standard mic... If you don't have one to try, borrow one to test with.

After that, the slider, EQ controls and the MAIN sloder has all the control.

Sep 15, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

My mic output is very weak. Music comes out great. I have to set the levels all the way up to get any mic sound and usually there is a lot of clipping. You need to almost scream to get any sound with a...


Thiis amp has plenty of gain for mics. Make sure your mic has a good XLR to XLR cable (balanced) and connects to the XLR input connectors. If you have 1/4 inch jack cables that aren't TRS balanced on the mics, get rid of them and get XLR's.

Then push the PFL button down (LED will light red) for a single channel with a mic and adjust the trim (top knob for the channel) so that the level peaks without clipping on the main LED display when highest input to the mic is being generated. You should not get clipping then during operation.

After that you use the slider tio adjust the level for the mic. The MAIN slider should be at least up around -10 to zero during operation. If your main slider is way down, then you haven't balanced your channels properly. Do the same for each channel as the instructions for the mic above. If the gains of the other inputs are too high and the MAIN slider too low, this is what is causing your problem.

Typically the trims for mics like Shure 58 are about 3 o'clock.

High level guitars may have trims anywhere from 9 to 3 o'clock.

Ideally you will want your channel sliders to be between -10 and zero.

Sep 11, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

Mic channels 2 and 3 don't work no sound. mic channels 1 and 4 work okay as well as inputs 5-12. how can i fix this??


There is an internal f ailure and the unit will require servicing. To get by until you can get it fixed, you can get line transformers that will allow the mics to be used on the higher channels.

If you have inadvertently plugged a source into the :insert" jacks of these bad channels by mistake, that may have blown the input op-amps.

A lot of dis-assembly of the board must be done to get to the parts to repair.

Another possibility is if the sliders have gone bad... SAME prognosis for repair.

Dec 26, 2009 | Mackie 1202vlz3 12 Channel Mixer

1 Answer

All 4 mics wil transmitt through channel a,


Sounds like all of your mics are using the same frequency. What you can do is change crystals in each unit to change frequencies, this will allow each mic to use its own receiver.

Mar 31, 2009 | Pyle Music

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