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RE: Interesting issue
To: CRTech <crtech@crtech.org>
Subject: RE: Interesting issue
From: Alan Kilgore <wrvm.engineer@gmail.com>
Date: Tue, 30 Jan 2018 14:51:44 -0600
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Are you using shielded conductors for feeding audio to the powered speakers? If so, is that shield connected to the sound board's ground and in turn to an earth ground? Are you using balanced input and output to feed the powered speaker (TRS or XLR) or is it only a 1/4" mono (unbalanced) connectors?
____________________________________
Alan Kilgore, CPBE
WRVM Chief Engineer

At 02:35 PM 1/30/2018, you wrote:
When you unplug “most” of the snake does it go away? I assume you need one line to feed the monitor.
 
When the station comes through, is it with inputs on the console turned up?
 
How good is the grounding of the console and/or the speaker? Look out for ground loops. The ground in the power plugs may not be good.
 
Jon Foreman
Follow-Ups: Re: Interesting issue
(Tom Van Gorkom <tomvangorkom@gmail.com>, 30 Jan 2018 21:19:01 -0000)
References: Interesting issue
(Joey Alcala <jalcala@calvarymiami.com>, 30 Jan 2018 20:10:34 -0000)
Re: Interesting issue
(Chris Wygal <cmwygal@gmail.com>, 30 Jan 2018 20:21:43 -0000)
Re: Interesting issue
(Joey Alcala <jalcala@calvarymiami.com>, 30 Jan 2018 20:30:55 -0000)
RE: Interesting issue
(Jon Foreman <Jon@ksgn.com>, 30 Jan 2018 20:35:59 -0000)
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