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Topic:
Pre-wiring for XLR
This thread has 17 replies. Displaying posts 1 through 15.
Post 1 made on Wednesday December 27, 2017 at 21:01
cshepard
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Hope everyone’s had/having a happy holiday season. We’re doing a rough-in on a new home for a client who has a lot of hi-fi gear. We need to wire for a pair of XLR connections where the wire length will be around 70-80 feet (think pre/pro in closet rack; amps in adjacent room near speakers). If this were a commercial application I would just run shielded 18/2 & call it a day. What would you suggest that would be a step above that, but not crazy? The budget will not allow for crazy. Any other tips or considerations? Thanks guys.
Chris
Post 2 made on Wednesday December 27, 2017 at 21:10
highfigh
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On December 27, 2017 at 21:01, cshepard said...
Hope everyone’s had/having a happy holiday season. We’re doing a rough-in on a new home for a client who has a lot of hi-fi gear. We need to wire for a pair of XLR connections where the wire length will be around 70-80 feet (think pre/pro in closet rack; amps in adjacent room near speakers). If this were a commercial application I would just run shielded 18/2 & call it a day. What would you suggest that would be a step above that, but not crazy? The budget will not allow for crazy. Any other tips or considerations? Thanks guys.

Belden makes cable that will work and the diameter is very small so if doesn't take up much space in the conduit. It's not expensive- I'll post the number later.

Edit- I used Belden 8451 and Neutrik ends- get the ones with a rubber boot and small hole, for strain relief.

I used a piece of the roll so I could install an Echo Dot in a kitchen and feed the audio into the AV system and heard no noise when I tried it with my iPhone last week, but that wasn't connected to an outlet, so I don't know if I'll have any grounding issues at this time. It had to run past and very near several power wires and the sound was noiseless using headphones plugged into the preamp.

Last edited by highfigh on December 28, 2017 08:57.
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
Post 3 made on Wednesday December 27, 2017 at 21:14
FreddyFreeloader
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Mogami 3135. Good stuff and small dia. Available at Redco Audio https://www.redco.com

It may or may not be on their site but if you call them they will set you up. From what I recall the shortest section they will sell is 250 feet. I think I have about 150 feet left if you need some you can have it for what I’ve got in it (.65/ft.) plus postage.
Post 4 made on Wednesday December 27, 2017 at 21:39
Ernie Gilman
Yes, That Ernie!
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On December 27, 2017 at 21:01, cshepard said...
I would just run shielded 18/2 & call it a day.

Is your request for something else a statement that you don't use excellent product for commercial installations?

What do you expect the source impedance and load impedance to be? That, if flaky, would have a bearing on what you supply. Also, if the client believes he has magic ears, that would have a bearing. But yeah, shielded 18/2 is pretty much reaosnable overkill.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 5 made on Thursday December 28, 2017 at 03:28
ErikU
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Belden 9451.

Neutrik XLR's
Post 6 made on Thursday December 28, 2017 at 08:54
highfigh
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On December 28, 2017 at 03:28, ErikU said...
Belden 9451.

Neutrik XLR's

Belden 8451?
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
Post 7 made on Thursday December 28, 2017 at 10:38
Ernie Gilman
Yes, That Ernie!
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Looks like either 8451 or 9451 would do very well. Does someone see a preference of one over the other?
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 8 made on Thursday December 28, 2017 at 12:13
ericspencer
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On December 28, 2017 at 08:54, highfigh said...
Belden 8451?

8451 / 9451 exact same cable, 9451 is designed so that the foils shield strips along with the jacket.
Not my circus, not my monkeys
Post 9 made on Thursday December 28, 2017 at 12:16
Ernie Gilman
Yes, That Ernie!
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If 9451 is suggested, I don't see a reason to suggest 8451. And vice versa, too. Personal preferences always come into play.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 10 made on Friday December 29, 2017 at 09:34
highfigh
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On December 28, 2017 at 12:16, Ernie Gilman said...
If 9451 is suggested, I don't see a reason to suggest 8451. And vice versa, too. Personal preferences always come into play.

I didn't know they were looking for your approval when they started to make their cables.
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
Post 11 made on Friday December 29, 2017 at 09:50
Dave in Balto
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Hey, careful man, there's a beverage here!

The Dude
Post 12 made on Friday December 29, 2017 at 11:27
Ernie Gilman
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On December 29, 2017 at 09:34, highfigh said...
I didn't know they were looking for your approval when they started to make their cables.

You suggested an alternative. I didn't see them looking for your approval, either. Why, then, did you need to imply that they had chosen the wrong wire by the way you suggested the other part number?
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 13 made on Friday December 29, 2017 at 22:09
highfigh
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On December 29, 2017 at 11:27, Ernie Gilman said...
You suggested an alternative. I didn't see them looking for your approval, either. Why, then, did you need to imply that they had chosen the wrong wire by the way you suggested the other part number?

I didn't imply anything- I had used 8541, so I asked about it. You took it uon yourself to infer something I never implied.
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
Post 14 made on Saturday December 30, 2017 at 02:01
Ernie Gilman
Yes, That Ernie!
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We don't have fonts here to indicate attitudes, so it's very possible for them to be misinterpreted.

In a conversation, if someone says "I use 9451" and someone else responds "8451" with a question mark, the second person is questioning, challenging, the first choice (or did not hear correctly).

As poor as written conversations are, these are conversations. One reason to use more words is to try to accurately convey what is meant. "I use 9451" followed by "I've found 8451 to be good, too," indicates an alternative without any kind of challenging tone.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 15 made on Saturday December 30, 2017 at 23:54
Malcolm013
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Oh, Ernie....
"...The grass ain't greener, the wine ain't sweeter, either side of the hill....'
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