Question about Behringer XENYX 2442FX Mixer

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When using the dsp of the mixer after an hour or more of use the is a hissing and scratching and crackleing sound what could be the cause iof this?...the mixer is brand new and only has been used 3-4 times for live performances

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The problem is not a DIY repair... since unit is new, take IMMEDIATELY for warranty replacement or repair.

Posted on Nov 09, 2010

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How can I reduce white noise / hissing I'm getting over the mic on a Behringer Xenyx 1204 USB setup?


Hi, you didn't say if the mic actually passes sound? The C-1 is a condenser Mic & needs phantom power - switch on the rear of your mixer. If that's no help, what happens if you disconnect the mic, then turn the levels back up? Still hissing or gone? If it's gone then it's the Mic - must use a 3 wire cable, preferably XLR so it gets the phantom power. If the hiss is still there without the Mic then sounds like the mixer is faulty - try some of the other channels..... How loau is the hiss - just in the background or as load as a vocal "one, two" test? A few things to check anyway...... Good Luck!

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How do I fix my mixer 32fx out put


If the mixer output shuts down as you describe, some part is over heating and once it cools down you can turn it back until it happens again. This will not be user serviceable. Here is the link to Peavey Support who can provide a service center contact and schematics.
peavey com

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A lot of the effects chips run off of the +5 volt or +3.3 volt power source while a lot of the audio is off +/-12 or 15 volts. Sometimes loss of the +5 causes loss of the effects. Check that before assuming a chip is gone.

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1 Answer

Have a Behringer 1202 Xenyx FX, balanced cable into a new windows 7 PC and keep getting hiss. When I raise the gain, mic or master volume the hiss is more awful. my internet broadcasts sound awful. what am...


You are running your balanced cable into a windows 7 PC? What interface are you using... not the line input on the PC I hope as it is NOT balanced... it is Stereo input with UNBALANCED input. If you tie the mixer using a balanced to 1/8 inch balanced connector you will get plenty of hiss since you are driving the stereo channels oppositely. For high quality, get a good audio interface that runs on the USB of the PC. If you can tolerate a bit of noise but wire it correctly, then you will need to use two UNBALANCED lines out of the mixer for L and R and merge them to a stereo 1/8 inch plug for the PC.

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I had major static sounds from my yamaha stagepas 500. I plugged in an acoustic guitar into the mixer while running a keyboard and 2 vocal mics. I started getting crackling sounds. I changed the patch...


Chances are there is nothing wrong with the mixer. IF you accidentally turned on Phantom power, that would cause the problem. Phantom is ONLY used with condenser mics and a few DI boxes. Turning it on can create noise unless balanced lines are used everywhere.

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1 Answer

Mixer is introducing crackling sound intermittently to the process


Isolate one channel at a time to see if a particular channel is the problem. Make sure ALL interconnected equipment is powered from the SAME receptacle or power conditioner. A remote amplifier MUST be powered from the same source as the mixer, even if it requires a separate run to power it. Make sure all cables are BALANCED, either XLR or TRS cables. Sometimes a cable can have a broken wire or shield and cause this.

Jun 16, 2011 | Shure Distribution Shure SCM268 4 Channel...

1 Answer

I have the Behringer Xenyx 502 mixer, it's brand-new, and for some reason there's a weird buzzing/hissing sound in the main mix that will just not go away no matter what I do. I've unplugged everything,...


Is the sound a low frequency buzz or high frequency hiss? With all the input level controls at the minimum position and the output level controls at the maximum is the sound audible?

Waiting clarification, don't hesitate to post.

Thanks and regards
Please kindly rate this solution
Stelios
direct fixya link: http://www.fixya.com/users/technical114

Mar 31, 2011 | Behringer Xenyx 502 Audio Live Music Mixer...

1 Answer

HISS from Numark DM1200 mixer. Not present in speakers (self powered) when mixer off. Using XLR cables with telescoping ground lifts on each line. Monster 3500 power filter. Ideas?


All interconnected equipment MUST be powered from the same receptacle or source. The XLR to the speakers should NOT have ground lift. The power for the mixer should come from where the speakers are and be routed alongside the XLR cables. All the other connected items should also be powered by the same source. The ground bounce within a building cannot only cause noise, but can rupture the input circuits of equipment. As an electrical engineer I don't know why manuals supplied with the equipment doesn't go into this more. The professionals at the big venues all know this as they have had to pay to get equipment repaired.

Now to get down to "hiss" once you get the other stuff straightened out, there are two things to know at the start: The first is that due to the statistical nature in electronics "noise and hiss" are among the laws of physics that we can't completely get around. The level of the hiss should NOT be objectionable however. The second thing is that proper level setup is important to minimize the effects of noise and hiss. You should be sending the levels to the powered speakers at near full line level into the line inouts, never mic inputs that some have. Using excess gain at the speakers will amplify any noise pickup on your audio lines. Next, at the mixer, try to keep all the level controls around 10 to 2 0'clock for rotaries and 70% for faders. Excess gain at certain stages will cause hiss to be objectionable.

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1 Answer

I record a podcast with the 8track multimix usb Alesis. I use one XLR - Jack input and the rest XLR-XLR. There are 4 inputs being used in total. I seem to be getting alot of hiss and buzzing from the...


What is the source of the input signals? These need to be balanced lines and the sources need to be balanced. If you happen to be using condenser mics, you probably haven't turned on the Phantom Power in the mixer. If you are recording from a sound card in the PC, those have a lot of noise and are unbalanced and you have to use DI's with ground lift ahead of this mixer.

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1 Answer

My effects on the behringer djx 700 dj mixer stop working how


This is a wild educated guess.

I repaired a Behringer guitar amp that had a DSP effects in it (BX1200 I believe).

The effects were on a seperate board and the board had its own 5 volt power supply. The filter capacitor for the 5 volt power on the board was UNDERSIZED and it had degraded causing the 5 volts to drop out of regulation, dipping to 4 volts. This caused the DSP effects to fail.

YOUR device MAY use the same DSP OR design.

Check the 5 volt power with an OSCILLOSCOPE to look for dips below the 5 volt operating point that occur at 120 HZ.

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