Tyll's measurement: https://www.innerfidelity.com/images/...

Current EqualizerAPO EQ Preset (Updated 1/30/2019):
Channel: all
Preamp: -8 dB
Filter 1: ON PK Fc 10 Hz Gain -4 dB Q 1.41
Filter 2: ON PK Fc 20 Hz Gain 8.5 dB Q 0.6
Filter 3: ON PK Fc 30 Hz Gain -1 dB Q 1.41
Filter 4: ON PK Fc 60 Hz Gain 2 dB Q 0.6
Filter 6: ON PK Fc 200 Hz Gain -0.5 dB Q 1.41
Filter 9: ON PK Fc 2000 Hz Gain 3 dB Q 1.41
Filter 12: ON PK Fc 6000 Hz Gain -6.5 dB Q 2
Filter 13: ON PK Fc 10000 Hz Gain -5 dB Q 2
Filter 14: ON PK Fc 12000 Hz Gain 2 dB Q 2

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