Question about Behringer POWERED MIXER, 20 CH, 400 WTS AMPLIFIER => Model PMX5000 Car Audio Amplifier

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New behringer powered mixer, comes on, but doesn't hear anything.

I purshased a new powered mixer europower PMP5000, connected by the book, but not sound at all, lights comes on, but no able to hear anything. I noticed the fan don't come on when you connected, please help, thanks

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  • Barry Wuthrich Mar 06, 2009

    I am getting about the same problem with a used PMH880S. I got a little sound from an RCA input source. Then it cut out. Then I turned up the 2TRN line level, and both mains came on for about 30 seconds and cut out.

    My led's show a good signal coming in, but just a very faint sound is getting through.

    I don't hear any fan either. I am wondering if there are separate fuses for the amp section and mixer section. I don't even see an external fuse access.


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Fan comes on with temperature rise. Not a problem if off till you start driving speakers loud.

Make sure standby switch is up. The slide switch is up to A/B.
The main fader iis up. Your input fader(s) are up. The trim controls are up enough. Inputs are plugged to input and not the inserts.

Be careful... this unit has a lot of power and can blow speakers.

Posted on Aug 02, 2009

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My behringer powermixer is making a clicking

You have blown the power amps in the unit. This is why you must insure that the speaker leads cannot be unplugged while unit is powered.

I don't know what model mixer you have, but ones like PMP3000, PMP5000, PMP1280S use a switching class D amp that arcs through a circuit board.

One can get a replacement:

I have NOT done business with this company before but you need to see if the HCA2400 module is what you have in your unit. Note that it has covers on the unit pictured at the site when installed.

I have repaired these, but it is an extensive process including carving out burned board material and replacing many components.

Jun 07, 2010 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

My powered mixer Behringer is buzzing

Make sure the buzz doesn't happen because of feedback of speakers into mics. When feedback is processed it often goes to a buzz instead of the usual howl.

Also check that you are running adequate inout into the effect since a very low inout will incur digitizing noise and loss of signal=to-noise ratio.

Jun 02, 2010 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

Behringer pmh mixer manual. 20 channel 800watt powered mixer no speaker output. I need to test the power supply and the amp modual. Thanks

Are there lights or effects windows lit up? If so, the power supply is likely OK.

If neither speaker is working, that is bad however make sure all your trims and sliders are right to send audio through. Some have a standby switch.

This probably has an HCA2400 amp board in it and those can burn up for various reasons including loose speaker cables.

Nov 28, 2009 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

I need a service manual for a behringer pmh500 powered mixer

If LED's or other indicators are lighting, then the power supply is likely OK.

If nothing lights, then the supply has fried and LIKELY fried as a result of one of the power amps shorting.

Nov 28, 2009 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

Can't get sound to speakers

No preamp required. I just repaired one I got from Ebay.. There are a lot of buttons on the unit and you need to have several of them set correctely to get output. This is a powerful amp and you can blow speakers easily so be careful. Make sure the standby switch is up. Most important: The slide switch should be clear UPWARD to the L/R speaker position.
The white trim control(s) need to be up to match the input source levels. Advance the faders for the cahnnel(s) being used. Advance the MAIN to control overall volume. That should get you started.
MAKE SURE your source is plugged into the CORRECT input jack as there are "inserts" and you will get not output or very weak output if you are in the wrong jacks.

Jul 14, 2009 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

180 watts mixer/amplifier and 400 watts speakers

Hiya, they are thermally or DC protecting. You will have to add some extra cooling if you can, external fan etc. Bottom line is you are going to have to crank it down a tad or increase amps and speakers. If its DC protection, its because the distortion levels are 2 high. Very easily achieved with mics not compressed. Again, try tone them down a tad.

Hope that helps

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1 Answer

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If the shaft broke, then you will have to replace the whole encoder for it. You cannot glue a shaft and expect it to hold.

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The voice cancellor switch basically subtracts the left and right signal because the vocalist is usually centered... The noise would likely be in an op amp associated with this feature...

Compare your circuit to a PMH1000. On that unit first thing to check is the two electrolytic caps at the left and right noise cancellor outputs.

There are a wholle bunch of resistors and IC's 48,50,37 are all involved.

Troubleshoot this one with freeze mist (ccircuit cooler). The problem should show up easily by heating and cooling.

Oct 29, 2008 | Behringer POWERED MIXER, 20 CH, 400 WTS...

1 Answer

Behringer ep1500 versus behringer eurolive b215 X 2- pa speakers.

The Amplifier will have wierd, notched, circular speakon cable connectors on the back, two, one for main left and one for main right. Press the button in on your speakon cable connector and twist it and lock it into place on the amplifer for right and left attachments, then do the same to your speakers.

Hopefully this helps.

Michael Lazar

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