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Hi All,

OK, straight to the point. I'm using Logic 9 on my MacBook Pro, this is connected via USB to a Steinberg UR22 Audio Interface.

I also have an M-Audio Axiom 49, also connected via USB to the Mac.

Now, I've decided to make use of some outboard units, namely the following:

Behringer Virtualizer 3D FX2000
dbx 166xs Compressor
dbx 215s Equalizer

These outboard processors are connected to an Alesis Multimix8 FX USB

My objective is to play the keyboard and record tracks in Logic but also adding the signals from the processors.

I've managed so far to connect everything up how I 'think' it should be and have successfully recorded a track, however... I seem to be getting a really bad signal with feedback at times. This could be due to the gain settings being too high but I'm not sure.

Have I really got this set-up correctly, or am I missing something vital here?

Below is a diagram of how my set-up is wired and I appreciate in advance for some help.

Oh, the reason I want to make this so complicated and not use the in-built compressor etc. in Logic is that I feel you still get more warmth from outboards, I'm also a bit of an analog fan too :) Cheers.



pcrecord Wed, 10/23/2013 - 03:28

This seems all good wiring. The only thing that's bugging me is that non of those outboard units are hi-end/discreat quality. To me the 2 dbx and the behringer are tools for live audio more than studio work.
I'd first compare recording with and without this setup to see how the signal to noise ratio is affected...
I see your keyboard has a usb wire, could the audio be recorded that way or it only serve for midi ? If so, I'd need a very good reason to risk degrading my recordings by going outboard. (Only good reason for me is that the outboard gear I'd have is better sounding than vst plugin's already in my computer.)
A simple EQ work can make a signal warmer.

Working that kind of setup is a good way to learn and I respect that.
The Beatles had the white album. Be carefull not to have the noise album ;)