Preamp: -8.7 dB GraphicEQ: 20 -4.2; 27 -4.2; 36 -4.3; 47 -4.3; 63 -4.9; 84 -6.0; 112 -7.0; 150 -6.8; 200 -6.5; 267 -4.9; 356 -3.2; 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 7.1; 6325 5.2; 8434 1.4; 11247 -4.4; 14998 -10.2; 20000 -21.9