Preamp: -8.7 dB GraphicEQ: 20 -4.2; 27 -4.2; 36 -4.3; 47 -4.4; 63 -5.1; 84 -6.4; 112 -7.5; 150 -7.1; 200 -6.8; 267 -5.0; 356 -3.3; 474 -2.4; 632 -1.6; 843 -0.6; 1125 1.1; 1500 3.5; 2000 5.6; 2667 7.9; 3557 8.4; 4743 7.0; 6325 5.0; 8434 1.0; 11247 -4.9; 14998 -10.7; 20000 -22.4