Preamp: -8.5 dB GraphicEQ: 20 8.2; 27 6.5; 36 5.2; 47 3.9; 63 2.3; 84 0.4; 112 -1.2; 150 -2.4; 200 -3.5; 267 -2.9; 356 -2.1; 474 -1.2; 632 0.1; 843 0.8; 1125 -0.3; 1500 -0.3; 2000 -0.9; 2667 -2.5; 3557 -1.8; 4743 -5.0; 6325 0.8; 8434 -7.9; 11247 -7.4; 14998 -8.7; 20000 -11.0