Preamp: -8.5 dB GraphicEQ: 20 -5.3; 27 -5.5; 36 -5.3; 47 -5.1; 63 -5.9; 84 -6.5; 112 -7.0; 150 -7.3; 200 -6.9; 267 -5.3; 356 -3.7; 474 -2.4; 632 -0.7; 843 0.2; 1125 -0.2; 1500 -1.9; 2000 -2.9; 2667 -0.1; 3557 4.6; 4743 2.0; 6325 -2.7; 8434 -5.6; 11247 0.6; 14998 -4.1; 20000 8.1