Preamp: -4.8 dB GraphicEQ: 20 -2.2; 27 -1.9; 36 -1.3; 47 -1.1; 63 -1.2; 84 -1.7; 112 -2.0; 150 -2.1; 200 -2.4; 267 -1.4; 356 -0.7; 474 -0.3; 632 0.4; 843 0.6; 1125 -0.1; 1500 0.0; 2000 1.3; 2667 3.8; 3557 2.1; 4743 4.5; 6325 2.1; 8434 2.5; 11247 -3.1; 14998 -0.7; 20000 -0.2