Preamp: -6.7 dB GraphicEQ: 20 2.2; 27 2.1; 36 2.0; 47 1.5; 63 0.4; 84 -1.2; 112 -2.7; 150 -3.3; 200 -3.8; 267 -3.0; 356 -2.1; 474 -1.7; 632 -1.1; 843 -0.4; 1125 1.0; 1500 2.9; 2000 4.6; 2667 6.4; 3557 6.4; 4743 5.3; 6325 4.0; 8434 0.9; 11247 -4.6; 14998 -10.3; 20000 -22.0