Preamp: -4.1 dB GraphicEQ: 20 -2.2; 27 -2.3; 36 -2.3; 47 -2.4; 63 -2.9; 84 -4.1; 112 -5.1; 150 -5.2; 200 -5.3; 267 -4.0; 356 -2.7; 474 -2.1; 632 -1.3; 843 -0.5; 1125 1.1; 1500 2.3; 2000 3.0; 2667 3.8; 3557 2.9; 4743 1.4; 6325 0.1; 8434 -3.1; 11247 -8.5; 14998 -14.2; 20000 -25.9