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- Dec 25, 2023
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I am testing my Motu M2's ADC just to see how good it is because I'm thinking of getting something better. When I played my 1kHz test tone through its DAC to the ADC, I get this chart:
What happened? The 1st harmonic is only -70dB below the fundamental which is horrible compared to what the ASR review showed. I double checked that my PC isn't doing anything funky (it probably isn't) so I have no clue what might be the culprit. Note: I'm using a balanced cable and the input gain is as low as it can be while leaving the tiniest of headroom to not clip.
What happened? The 1st harmonic is only -70dB below the fundamental which is horrible compared to what the ASR review showed. I double checked that my PC isn't doing anything funky (it probably isn't) so I have no clue what might be the culprit. Note: I'm using a balanced cable and the input gain is as low as it can be while leaving the tiniest of headroom to not clip.