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Microphone level balanced XLR mixer outputs?
Microphone level balanced XLR mixer outputs?
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Old 29th October 2010, 07:56 PM   #1
diymixer is offline diymixer
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Join Date: Jun 2010
Default Microphone level balanced XLR mixer outputs?

hey all,

I was looking at some other mixers for ideas for my own mixer, and I noticed that some of Mackie's newer mixers have a switch that swaps the level of the output of the main mix XLR connectors from line level to mic level. This would be a useful feature to have in my mixer since when me and my band gig, we end up patching our current mixer to the house mixer, where we often have to go unbalanced to avoid sending a line level signal to a microphone level input.

Does anyone know of a circuit that can take an unbalanced post-fader, pre-balanced line driver signal and then convert it to balanced microphone level? I already have provision set up on the mixer to switch between the current line driver and the mic level circuit. I would only like for the mic circuit to not need phantom power. Some of our frequent gigs were on house mixers that had to rely on an external phantom power supply as the house mixer at some of those gigs had no internal phantom power.
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Old 30th October 2010, 11:32 AM   #2
Bill Fuss is offline Bill Fuss  United States
Join Date: Oct 2005
Location: Central Florida
Why not build a transformer coupled black box and use it on the house mixer aux input so you don't have to manipulate levels.
That's about as simple as it gets.

And if you are saying your mixer has unbalanced line outputs I would balance them too.
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Old 30th October 2010, 11:49 AM   #3
imix500 is offline imix500  United States
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Join Date: Mar 2004
Location: Nashville, TN
Not internal, but it's pretty easy to throw a couple in line.

Whirlwind IMP

I would also suggest a couple iso transformers if you're going to be tying in a lot.

Sescom IL-19
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