Preamp: -6.1 dB GraphicEQ: 20 -1.3; 27 -1.4; 36 -1.4; 47 -1.3; 63 -1.4; 84 -1.9; 112 -2.5; 150 -2.9; 200 -3.2; 267 -2.0; 356 -0.7; 474 -0.2; 632 -0.1; 843 -0.0; 1125 0.8; 1500 2.5; 2000 4.1; 2667 5.6; 3557 5.8; 4743 4.3; 6325 2.2; 8434 -0.6; 11247 -5.0; 14998 -10.2; 20000 -25.1