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25 posts

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Topic # 123413 6-Jul-2013 17:45
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Does anyone know how I can use a small mixer to make a stage intercom system?
We have one lighting guy, one sound/audio engineer, a computer guy who projects stuff onto the big screen behind the performers and one stage manager.
I want to be able to talk to them all and have the system controlled by a small manual mixing console instead of buying a complete intercom system.

There is an audio snake which runs backstage that we could use, but how many channels do I need if I want a talk back system like that (headphone and mic) for each person.

My theory was that the microphone which is attached to the headphone can just be plugged into channel 1 and the headphone into the AUX send. Would this work? What about the mains, can they be used or not?

Please help me out here.

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852 posts

Ultimate Geek
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  Reply # 850217 6-Jul-2013 18:16
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Hi,

I think your mixing desk is not going to work. You seem be to be looking for an intercom and you mixing desk will only offer a one to many system. If its for a small short production go hire? The value of good comms can't be underestimated.

Good luck

Knoydart

893 posts

Ultimate Geek
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  Reply # 850250 6-Jul-2013 19:44
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Hiring proper comms is definitely the way to go. It's relatively inexpensive, and will save you heaps of time and effort and make your show more likely to succeed. 









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Geek


  Reply # 850255 6-Jul-2013 20:25
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Yes, OK fair enough but I was thinking about a long term installation because the audio snake is always there and so I thought that there might be some way to do what I had wrote in my first post and having it so that it can be packed away and brought out again on a small system like I described.

If you say that it is easier to get a proper system (buy one maybe) are there any that you would recommend because I haven't worked with this sort of technology before and don't quite know whats good and what isn't.

It is only for a medium sized hall with a stage. The system needs to be for a lighting technician, an audio engineer, a stage manager and a computer person. but it would be nice to have a spare port on standby on case there is someone else.      So a system for maybe 5 people would be appropriate. Any recommendations will be appreciated. Thanks again.

893 posts

Ultimate Geek
+1 received by user: 5


  Reply # 850260 6-Jul-2013 20:44
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http://www.beltpack.com/bp1.html is the most common beltpack, and equipped with a compatible headset can use the existing audio snake to be distributed, just need to connect them in a chain going in and out, and attach a power supply, such as http://www.beltpack.com/ps1.html  at the beginning. The company that manufactured them are out of business, but stock is still around, and there is sure to be cheaper alternatives/second hand systems around as well.





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