Preamp: -7.4 dB GraphicEQ: 20 -2.0; 27 -2.4; 36 -2.4; 47 -2.8; 63 -3.1; 84 -3.5; 112 -2.6; 150 -1.4; 200 -0.8; 267 -0.7; 356 -1.5; 474 -1.8; 632 -0.8; 843 0.2; 1125 0.3; 1500 1.4; 2000 0.9; 2667 -0.1; 3557 1.6; 4743 0.3; 6325 0.8; 8434 7.1; 11247 -0.5; 14998 -3.1; 20000 -8.0