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hello
i try to use REW but I've got a probleme, every graphs are falling at 12khz. I've use 3 different microphone, 2 different preamp, 2 different sound card,,,,,but always the same probleme. i don't understand where can be the probleme.

I need help
 

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I've got a probleme, every graphs are falling at 12khz.
Not enough information. Can you post a graph so we can see what you are referring to?

Also post a graph of your soundcard calibration file.

What microphone and preamp are you using?

Also explain what and where you are measuring. Is it near field or listening position.....

brucek
 

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ok I hope this helps
Again, you haven't provided any information.

What are we looking at? Looks like peaks at 4K-8K.

Explain each line.

Normally all measurements are taken with a calibration level of 75dB.

Use a vertical scale of 45dB-105dB.

brucek
 

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hello
I've use 3 different microphone, 2 different preamp, 2 different sound card
I agree, you need to tell us what microphones you are using as well as what pre-amp and sound card.
Without this information its tough to help you much more.
 
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