Preamp: -7.4 dB GraphicEQ: 20 -8.4; 27 -8.5; 36 -8.5; 47 -8.1; 63 -7.8; 84 -7.9; 112 -8.1; 150 -7.6; 200 -7.0; 267 -4.9; 356 -2.8; 474 -1.5; 632 -0.9; 843 -0.4; 1125 1.0; 1500 3.0; 2000 4.8; 2667 6.6; 3557 7.1; 4743 5.4; 6325 3.0; 8434 -0.1; 11247 -4.7; 14998 -9.9; 20000 -24.7