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How to connect PA mixer with built-in amp to feedbk dstryr unit?

I've got a YAMAHA EMX5000 amplified mixer (PA system), and a separate Behringer feedback destroyer FBQ2496. I'd like to know how to connect them together so that the feedback destroyer controls sound/feedback of the FOH speakers.
Should I connect from YAMAHA's 'ST-OUT' outputs to the Behringer's input, then from Behringher output back to YAMAHA's 'P.AMP IN' inputs? I just want some confirmation before I try it out, I don't want to cause any damage to the equipment. Thanks!

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The feedback unit should be connected between the pre-amp section and the power amp section. As you descrubed the ST-out and P.Amp IN are the ones to use.

Dan

Posted on Jan 22, 2009

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I have a pmp518m powered mixer. can i set it to be a passive mixer?


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Feb 21, 2011 | Behringer Amplifiers & Preamps

Tip

Behringer PMP powered mixer safety issue


This is applicable to the PMP powered mixers regarding an undocumented issue of polarity of speaker connections.

Failure of the "A" side of these units can happen if Speakon to 1/4 inch speaker cables are used and IF the barrel of the 1/4 inch plug becomes grounded. This can happen from careless handling or from intentionally trying to parallel another device from the output which results in a ground being placed on the barrel of the 1/4 inch jack on the "A" side of these mixers. The barrel of a 1/4 inch on the "A" side is the "hot" from the amp.

Upon analyzing the circuitry, these mixers internally invert the audio signal to the "A" side and then the speaker connections reverse the polarity again. Behringer does this to easily allow "bridged" operation of the amplifier.

This creates a hazard that can result in blowing the "A" side amp of these mixers.

If one ONLY uses Speakon connectors everywhere it is NOT a problem, but anytime 1/4 inch plugs are used in the speaker cable system, the hazard exists.

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I have a behringer EP1500 amp, connected to a behringer mixer VMX100. i am getting a popping sound, the sound is random, it happens at various times, so i cannot say it always happens after i have...


hi,
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ok

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Hum


first of all you must connect as follows.
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Connecting a guitar amp to a mixer amp


Hi cliff

Connect either of the XLR DI output of the Behringer directly to a MIC IN channel on the Powerpod using a standard Microphone cable. If you wish to push a stereo sound then connect both(L + R) of the XLR DI outputs from the amp... that's about all you need to do. The only reason you need to use stereo(both XLR Outs) from the Behringer is if you want a full stereo FX output from the amp, otherwise you can get away with 1 connected. You may need to back the gain off for those channels on the power pod. You can get a manual for the Powerpod from here

and user manual for the acx900 here

Hope this has helped you, If not, feel free to ask any questions. Cheers.

regards
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