Rtings measurement: http://www.rtings.com/headphones/reviews/sennheiser/hd-599#comparison_1183
EQ Preset:
Preamp: -5 dB
30 Hz Gain 5 dB Q 0.8
200 Hz Gain -3 dB Q 1.41
3500 Hz Gain -3 dB Q 1.41
10000 Hz Gain -5 dB Q 2
12000 Hz Gain 2 dB Q 2
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