Preamp: -8.0 dB GraphicEQ: 20 -5.0; 27 -5.1; 36 -5.1; 47 -5.0; 63 -5.4; 84 -6.4; 112 -7.3; 150 -7.2; 200 -7.1; 267 -5.6; 356 -4.0; 474 -3.1; 632 -2.0; 843 -0.7; 1125 1.3; 1500 3.4; 2000 5.4; 2667 7.4; 3557 7.7; 4743 6.4; 6325 4.6; 8434 1.0; 11247 -4.7; 14998 -10.5; 20000 -22.2