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<blockquote data-quote="Tim McCulloch" data-source="post: 26358" data-attributes="member: 67">Re: Ebtech HumX&nbsp;I&#039;ve with Brad and JR... I think there are other issues at play and consider non-audio RF to be a possibility.&nbsp; We&#039;ve all got stories about Mackie&#039;s VLZ mixer demodulating broadcast radio, but not every RF issue presents itself with intelligible audio as a result.&nbsp; Is there strong environmental RF (broadcast transmitters nearby, mobile repeaters on the building roof, nearby military installation or airport) that could be getting into a piece of gear or cable?On the power side, I&#039;d look for current as well as voltage between neutral and ground.I&#039;d also start my trouble shooting at the gig itself by setting up the absolute minimal equipment it takes to make audio (1 mic, 1 mixer out, 1 amp or powered speaker...) and add in thing 1 at a time.&nbsp;&nbsp; You&#039;re experienced in this, I know, but it might take a more excruciating level of detail to find the potential multiple causes of the problems in this venue.Let us know what you find.Tim Mc</blockquote>

[QUOTE="Tim McCulloch, post: 26358, member: 67"] Re: Ebtech HumX I've with Brad and JR... I think there are other issues at play and consider non-audio RF to be a possibility. We've all got stories about Mackie's VLZ mixer demodulating broadcast radio, but not every RF issue presents itself with intelligible audio as a result. Is there strong environmental RF (broadcast transmitters nearby, mobile repeaters on the building roof, nearby military installation or airport) that could be getting into a piece of gear or cable? On the power side, I'd look for current as well as voltage between neutral and ground. I'd also start my trouble shooting at the gig itself by setting up the absolute minimal equipment it takes to make audio (1 mic, 1 mixer out, 1 amp or powered speaker...) and add in thing 1 at a time. You're experienced in this, I know, but it might take a more excruciating level of detail to find the potential multiple causes of the problems in this venue. Let us know what you find. Tim Mc [/QUOTE]

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