Preamp: -4.9 dB GraphicEQ: 20 -1.5; 27 -1.6; 36 -1.6; 47 -1.9; 63 -2.7; 84 -4.1; 112 -5.3; 150 -5.1; 200 -4.9; 267 -3.2; 356 -1.6; 474 -1.0; 632 -0.7; 843 -0.3; 1125 0.9; 1500 2.3; 2000 3.4; 2667 4.6; 3557 4.0; 4743 2.7; 6325 1.4; 8434 -1.8; 11247 -7.2; 14998 -13.0; 20000 -24.7