Preamp: -4.5 dB GraphicEQ: 20 -0.5; 27 -0.6; 36 -0.6; 47 -1.0; 63 -2.0; 84 -3.5; 112 -4.8; 150 -4.7; 200 -4.6; 267 -3.1; 356 -1.5; 474 -1.0; 632 -0.7; 843 -0.3; 1125 0.9; 1500 2.2; 2000 3.2; 2667 4.2; 3557 3.6; 4743 2.1; 6325 0.6; 8434 -2.7; 11247 -8.2; 14998 -14.0; 20000 -25.7