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Old 11-08-2010, 08:31 AM   #32
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Join Date: Mar 2007
Posts: 21,533

Originally Posted by Sanskrit View Post
would you mind explaining how to "pass a tone" through converters to find out what they're calibrated at.
Just send a steady tone into a preamp, so that the VU meter needle is sitting right at 0, send it to the DAW, with no trim or gain on the output if it has an output trim knob and see where it lands on your DAW input meter.

It should land at -20, -18 or -15 depending on your converter hardware. If it lands somewhere nutty like -10 your analog gain staging is probably off somewhere. If tracking through a console or similar the path(s) should be calibrated all the way through to the daw where you set input fader and maybe bus output fader to unity gain and hit that mark from a 0 reading on a VU meter.
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