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Author Topic: Strange hum in audio  (Read 1774 times)

Bill Jones

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Re: Strange hum in audio
« Reply #20 on: March 20, 2021, 08:58:18 PM »

Thanks for all the input. You guys are the best.
I think the fiber HDMI cable in the attic sounds like the best option for me. The extractor at the sound board also sounds like to way to go.
Thanks again.
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Bill Jones

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Re: Strange hum in audio
« Reply #21 on: March 21, 2021, 07:37:41 AM »

The hard part in installing the fiber HDMI will be telling the young man that crawled into the attic that he has to remove the wire he just installed a week ago, and then put in another wire.  ;D
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raymondsoly

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Re: Strange hum in audio
« Reply #22 on: March 21, 2021, 11:25:43 AM »

The hard part in installing the fiber HDMI will be telling the young man that crawled into the attic that he has to remove the wire he just installed a week ago, and then put in another wire.  ;D

And then tell him you were kidding  ;D, and that he could just use the existing cable as a pull line for the new cable instead..... 8)

Ray
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Russell Ault

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Re: Strange hum in audio
« Reply #23 on: March 21, 2021, 03:22:28 PM »

{...} and that he could just use the existing cable as a pull line for the new cable instead..... {...}

Risky business pulling fibre outside of conduit!

-Russ
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raymondsoly

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Re: Strange hum in audio
« Reply #24 on: March 21, 2021, 06:15:45 PM »

Risky business pulling fibre outside of conduit!

-Russ

perhaps no riskier than having a young person crawl in there ?

Ray
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Bill Jones

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Re: Strange hum in audio
« Reply #25 on: March 22, 2021, 06:33:10 AM »

Risky business pulling fibre outside of conduit!
-Russ

Is the fibre HDMI fragile, more so than any other wire? Will there be a problem bending it around corners?
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Dave Garoutte

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Re: Strange hum in audio
« Reply #26 on: March 22, 2021, 01:58:06 PM »

Is the fibre HDMI fragile, more so than any other wire? Will there be a problem bending it around corners?
The manufacturer should spec a minimum radius.  The cables are more delicate than an xlr, but not a lot.
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Helge A Bentsen

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Re: Strange hum in audio
« Reply #27 on: March 22, 2021, 02:35:45 PM »

IME HDMI cables and network copper cables tend to be a lot more fragile than a fiber cable.
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Russell Ault

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Re: Strange hum in audio
« Reply #28 on: March 22, 2021, 03:38:30 PM »

Is the fibre HDMI fragile, more so than any other wire? Will there be a problem bending it around corners?

The usual warning with fibre is that bending it below its spec'ed minimum radius even once can cause permanent, it-doesn't-work-any-more-style damage (that very few people can fix), which is why pulling it can be risky. Other than that, fibre tends to be pretty durable, and (depending on the fibre) it can have significantly better tensile strength than copper-based cabling (which is why pulling it through properly-shaped conduit is no big deal).

-Russ
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raymondsoly

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Re: Strange hum in audio
« Reply #29 on: March 22, 2021, 05:09:51 PM »

Is the fibre HDMI fragile, more so than any other wire? Will there be a problem bending it around corners?

The weakest links here might actually be the attic type and /or the 2 x 50'  hdmi, which won't offer much pulling power at the coupler...

Ray
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Re: Strange hum in audio
« Reply #29 on: March 22, 2021, 05:09:51 PM »


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