Hi,
1.- physically plug in the inputs and the outputs to your audio interface.
2.- Create a new auxiliary in your session with outputs going to your hardware.
3.- instantiate a Send in the track you want to effect with your harware reverb.
4.- Make that Send feed the Aux from step 2.
5.- If recording the resulting effect, create an Audio track with the inputs where the hardware is hooked up to your audio interface, and record enable the track.
6.- Otherwise, create another Aux track,with the audio interfaces' inputs set to where your reverbs' ouptuts are hooked up to the interface.
Flow chart:
Ld Vocal track, with Send 1
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Send 1 feeds Aux 1
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Aux 1 goes to outputs 3-4
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Audio interface outputs 3-4 plugged into your stereo reverb inputs.
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HARWARE REVERB inputs
HARWARE REVERB outputs
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Audio interface inputs 3-4
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Aux 2 with inputs set to 3-4 (or audio track the same, but record enabled.)
Done.
You also have to Send level from your lead vocal track... not just have the Send at -inf...
With this configuration allows you to send ANY audio track etc to this hardware reverb, and when you do a final mixdown, you can print the effect onto an audio track by simply creating new audio track(s) and recording the effect for archiving.
Cheers