Preamp: -3.9 dB GraphicEQ: 20 -1.1; 27 -1.3; 36 -1.1; 47 -1.1; 63 -1.2; 84 -1.4; 112 -1.1; 150 -0.7; 200 -1.1; 267 -0.7; 356 -0.9; 474 -1.2; 632 -0.7; 843 0.2; 1125 0.2; 1500 0.8; 2000 0.1; 2667 -1.1; 3557 3.6; 4743 1.4; 6325 2.7; 8434 -1.2; 11247 -4.8; 14998 -2.7; 20000 -14.9