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PLX 500 terrible humming

 Hello, I have 2 plx 500 that I just bought them. I connect them usually to an Allen & Heath xone23 mixer and to a HK Audio ucas Nano 606. 

My problem is that when I put some gain, and by some I mean 2/10 of the volume, there's a deep horrible humming feedback that makes me put down the Bass in the mixer. Obviously I want some bass while djing. 

I try with a different equipment, (more professional Allen & Heath xone:42 and HK Linear 5) and same result. I tried with line or phono and same result. 

What shoul I do? 

Frank Brunet

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It is supposed to be grounded, it is the plx 500

Frank Brunet 0 votos
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Yes, it is internally grounded, but that doesn't mean your mixer and other devices shouldn't be grounded via the mains. Are they?

Pulse 0 votos
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So what are we supposed to do if all of our equipment is grounded and we still get the hum? Historically most if not ALL Turntables came with a ground wire we connected to the ground post near the Phono stage.

What are we to do now that we own this PLX-500 to get rid of the hum/feedback etc...???

Rohan Gabay 0 votos
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If all the equipment is grounded, you may be experiencing a ground-loop. Perhaps try grounding only one component of your setup.

Try connecting one unit at a time - start with only the mixer, then connect the turntable, etc. See which component, when connected to the system, adds the hum.

Pulse 0 votos
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