Preamp: -4.6 dB GraphicEQ: 20 -3.6; 27 -2.9; 36 -2.1; 47 -1.5; 63 -1.3; 84 -1.5; 112 -1.7; 150 -1.9; 200 -1.4; 267 -1.0; 356 -0.5; 474 -0.2; 632 0.4; 843 0.5; 1125 -0.1; 1500 -0.2; 2000 0.1; 2667 0.3; 3557 0.5; 4743 2.0; 6325 4.3; 8434 -1.9; 11247 -8.3; 14998 3.1; 20000 4.0