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REW SPL meter problem 4 years 6 months ago #31502

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I'm using my XMC-1 Microphone as an SPL meter and for some reason the SPL meter shows ~90 db in room even if its dead silent. I can't get it to show the 75 db that the setup guide mentions. Is there a solution for this?

Also my CV-5000 fans are so loud that the SPL meter keeps reading over a 100db when its on. How am I supposed to run the auto calibration if the fans are heard above the test tones?

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REW SPL meter problem 4 years 6 months ago #31523

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@ SoundProgenitor

By XMC-1 microphone, you mean microphone from Emotiva?
If so, maybe Emotiva would be best to answer your question? :-) miniDSP is selling the UMIK-1 only.

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miniDSP, building a DSP community one board at a time.

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REW SPL meter problem 4 years 5 months ago #31806

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Ok so I bought the UMIK-1 and the Galaxy CM-140 SPL meter. I connected the output of the SPL meter to the headphone output of my laptop. The UMIK is also plugged in via USB. I have the HDMI plugged into my Preamp. What settings should I set the SPL meter do on the device itself? Or do I just load the calibration file for the CM-140 from REW wizard and go with that?

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REW SPL meter problem 4 years 5 months ago #31833

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@ SoundProgenitor

mmmh, not 100% sure to know why you need both SPL meter and UMIK-1 and REW.. :-)
How about just going along with the step by step app note here? www.minidsp.com/applications/acoustic-me...mik-1-setup-with-rew

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REW SPL meter problem 4 years 4 months ago #32355

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Most other forums the gurus have said to use a separate SPL meter. I got it working.

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