Recent content by oldman

  1. O

    SPL under 100 Hz

    @sam_adams you are right, the error is due to a microphone setting enabled by default in windows 11.
  2. O

    SPL under 100 Hz

    Exemple Revel F208
  3. O

    SPL under 100 Hz

    Speakers tested are big towers !
  4. O

    SPL under 100 Hz

    Hi all, Newbee problem. Whatever the speakers measured at 30 cm, the SPL curve always drops abnormally from 100 to 20 Hz. Same result with other DAC or Amp, The mic is UMIK-1. The method used is sweep. See attachment. Any idea ?
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