Preamp: -3.5 dB GraphicEQ: 20 -1.3; 27 -2.1; 36 -2.1; 47 -1.9; 63 -1.8; 84 -1.7; 112 -1.5; 150 -1.1; 200 -1.1; 267 -0.4; 356 -0.4; 474 -0.7; 632 -0.2; 843 0.4; 1125 0.1; 1500 0.2; 2000 -0.3; 2667 0.5; 3557 3.2; 4743 2.6; 6325 0.4; 8434 -0.3; 11247 -3.0; 14998 -12.9; 20000 -23.0