Preamp: -4.4 dB GraphicEQ: 20 -1.3; 27 -4.1; 36 -6.2; 47 -7.1; 63 -8.2; 84 -10.1; 112 -11.4; 150 -12.3; 200 -9.2; 267 -0.4; 356 4.1; 474 1.9; 632 -0.9; 843 -1.2; 1125 0.8; 1500 3.4; 2000 2.3; 2667 -2.8; 3557 -6.6; 4743 -3.7; 6325 -5.7; 8434 -5.7; 11247 -6.6; 14998 -14.8; 20000 -25.7