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Old 06-12-2019, 12:50 PM   #12
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Join Date: May 2009
Posts: 24,747

Originally Posted by pipelineaudio View Post
I don't see how to do a ramp up in REW.

but finding out when the distortion starts to happen really needs a ramp like in the included picture.
You can see exactly what you need the way I explained without this whole ramp picture thing - I use it all the time with analog circuits so I can document the specs and the very thing I want to know is what you want to know. I'll demonstrate this with a high-end preamp when I get home tonight and create you a video.

Yes, there are plenty of more advanced things to get into later as far as graphs and pictures and documenting but I really do feel this basic step 1 shouldn't be ignored for your own knowledge, you did say "I want to learn" but if the question is really "I just want these graphs" confirm and I'll stop bugging you.
If it requires a null test to find it, it is by definition minuscule.
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