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can someone please help me, i have a few good preamp s and if i want to A/B them with the same mic i have to unplug the mic and replug it into a differnet input (in the live room). I think what i need is a de-normalled patchbay, any other suggestions would be great. Sweetwater forum sucks and didnt help me at all with this. the one catch is phatom power will be needed, should i go with an external power supply for overheads, guitars, vocals(that would require pp).
i just want the front to mirror the back of the bay

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anonymous Sat, 11/19/2005 - 08:45

What I am saying is to first record your mic with the first preamp on the first track, then record your mic with the second preamp on the second track. When you play back the 2 tracks, pan one hard left and the other hard right and you will be hearing both at the same time and you will instantly know which is most appealing.

FloodStage Sun, 11/20/2005 - 21:18

Try something like this:

http://www.carvin.com/products/single.php?ItemNumber=MS2&CID=ACS

(There are other more better and more expensive options but this is a good place to start)

Plug the mic into the splitter, one splitter out into one pre, the other splitter out into the other pre, then both pre's get the exact same signal. It's transformer isolated so the pre's won't interact with each other. A patch bay will not be transformer balanced.

The Carvin will not pass phantom power so if you are using a Phantom power mic, you'll have to get a different splitter. I have a Samson S-Split that has 3 outputs and will pass phantom power through one of them. Cost about 50-60 bucks at "Scam Cash" if my memory serves me right.

What you do after that is up to you (although matching volumes of each track with a steady test tone is helpful for comparison sake)

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