Recent content by MITJABORKO

  1. M

    Room EQ Wizard "In" and "Ref In"

    Another excellent answer! Thank you John! Of course I have a small Radio Shack SPL meter too and calibration is OK now. Actually so simple. But ... it must be Murphy ... additonal problem arose ... The frequency sweep seems to be normal from 20Hz to 20kHz, also the loudspeaker response seems to...
  2. M

    Room EQ Wizard "In" and "Ref In"

    wow! John, I followed your advice, I changed to RIGHT, and it Works! Thank you very much indeed. Now, I am facing with unexpected SPL calibration problem, where maximum SPL is 53 dB only. Consequently, when I measure the frequency response characteristic of the same test loudspeaker, the...
  3. M

    Room EQ Wizard "In" and "Ref In"

    Thank you John for your prompt answer. Using my Apple MacBook Air I normally used "IN, and "OUT" for my measurements, and I did not even care about "Ref IN", until yesterday. Until yesterday. Yesterday I noticed that "IN" became inactive - the highest level in the measured input is just -641...
  4. M

    Room EQ Wizard "In" and "Ref In"

    I am using Apple MacBook Air, Behringer U-PHORIA UMC240HD USB audio interface, and Behringer ECM Microphone. Could someone tell me please, what is the difference between "In", and "Ref In", and how could I select between two input options.
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