Question about Soundcraft Efx12 - 12 Channel Sound Board Console Mixer

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Sound craft efx 12 some Chanel is noise what is the complaints ?

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Dirty pots and faders are common problems. Try blowing out with compressed or canned air.

Posted on Mar 22, 2011


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What causes buzzing in speakers?

There are many causes of buzz, so it should be checked step by step :
- Bad connection on the input connector, or cord.
- Amplifier, basically have the block diagram like this:
25850676-l1qpqmriditabltrjczr2eku-5-0.jpg If in one block damage, buzz can be heard.In the amplifier.
Generally occurs in the PSU and / or power amplifiers.
Fix it to the experts,because it requires a good knowledge of electronics.
Blown speaker cone, does not cause a buzz.
Short circuit along the wires supplying the audio, it will not cause any sound in the speakers, including the sound of music.
Try also, disconnect the input connector, whether the buzz is still audible. If after the input connector is removed, the buzz disappears, the possibility of buzz came from another device before the amplifier.

Sep 05, 2015 | Behringer Xenyx 1202fx Mixer 12 Input 2...

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Soundcraft efx 12

Good luck. Your mixer only has one aux out to supply only one stage monitor out. Only way to make it work would be to use the panning controls of each channel to different outputs to the Left and Right main outs for stage monitors and aux out as front of house speakers. I would get another separate mixer for monitor such as another efx 12 with every input connected to both mixers, then use the panning and main outputs to that. Sorry. Just not enough of mixer. You need an aux out for each individual's monitor.

Jan 13, 2014 | Music

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1202 fx phantom power swith will not stay engaged

The mechanical push on - push off latching mechanism may have broken. Probably the switch will have to be replaced.

Sep 02, 2012 | Behringer Xenyx 1202fx Mixer 12 Input 2...

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My audio mixer sound craft epm-8 is not working , some part like R1 burned.kindly tell me the value of R1, and the correct output voltageof cn-2

If the part burned, it did it for a reason. Likely something has shorted, probably an electrolytic cap unless there was a liquid spill. You will need a complete schematic. I haven't found one yet.

Aug 11, 2011 | Soundcraft Epm12 Analog Mixer - Epm 12

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No sound coming out of speakers but lights moving on board

The Efx 12 has two outputs monitor out as well as mix out ( XLR sockets ). If the level bars are moving its an indication that the mixer is working. Have you tried headphones out as well as monitor out.
What is your amplifier and speaker setup- you have not mentioned it at all.
Even if any PFL switch is on you won't get sound out of the speakers.
PFL stands for Post Fade Listen and when any of the 12 channel PFL switch is on only the headphone out put will work.

May 18, 2011 | Soundcraft Efx12 - 12 Channel Sound Board...

1 Answer

Whats the best way to include a separate efx processor to a peavey 16fx when aux 1 2 3 4 6 are being used as monitor sends and aux 5 is the main efx send

It looks like using the GROUP output to drive the external FX and then bringing that back into the EFX return is about the only thing you can do in short of putting the effects after the main outputs then it would be on everything.

May 14, 2011 | Peavey 16fx 16 Channel Mixer W/built In...

1 Answer

Hi, I have a EURORACK ub1204fx and this is my problem: the effect does not work when I open fx return, there is much noise. Dpm5 broken?. How to get it? Thanks

This is confusing... the "FX return" is for an INPUT from an EXTERNAL effects unit... if you try to take output from there it will be nothing but noise as you are tying two inputs together with nothing driving them. Possibly you are misunderstanding the terms and use of these connections.

Jan 03, 2011 | Behringer Xenyx 1002fx Mixer 10 Input 2...

1 Answer

Type pf op amp in a Behringer XENYX 1204USB Mixer and a Mackie - 1202-VLZ3

Behringer uses 4580's in appropriate packaging everywhere. There are 339 comparators for the level indicator area.

The Mackies uses both NJM2068 and NJM4560M

The 2068' are used in most of the low noise areas and the 4560 is used in the 75Hz high pass filter for example.

Jul 22, 2010 | Behringer Xenyx 1002fx Mixer 10 Input 2...

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