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Measuring THD of audio circuits using line input?

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  • Measuring THD of audio circuits using line input?

    I have OmniMic, have been using it with the measurement mic on my DIY speaker projects. Works great.

    But now I want to measure THD and FR in a preamp. Can I substitute a line input for the mic input and measure the output of my circuit, using the test signal from the CD as the input?

  • #2
    Look at Room EQ Wizard or Rightmark Audio Analyzer.
    "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
    exactly a Fc 3K for both drivers, anybody can do it." -Xmax

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    • #3
      Originally posted by dcibel View Post
      Look at Room EQ Wizard or Rightmark Audio Analyzer.

      I use Room EQ Wizar myself and I can recommend it. Works great. Greetings

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