Preamp: -1.6 dB GraphicEQ: 20 -1.5; 27 -1.8; 36 -2.0; 47 -2.7; 63 -3.7; 84 -5.1; 112 -6.2; 150 -7.0; 200 -7.6; 267 -6.4; 356 -5.1; 474 -3.6; 632 -1.6; 843 -0.1; 1125 0.5; 1500 1.3; 2000 -0.9; 2667 0.4; 3557 -3.4; 4743 -4.5; 6325 -4.8; 8434 -8.7; 11247 -5.1; 14998 -3.6; 20000 -8.2