Preamp: -5.2 dB GraphicEQ: 20 -2.0; 27 -2.1; 36 -2.1; 47 -2.0; 63 -2.4; 84 -3.4; 112 -4.3; 150 -4.3; 200 -4.3; 267 -2.9; 356 -1.5; 474 -1.0; 632 -0.7; 843 -0.3; 1125 0.9; 1500 2.4; 2000 3.6; 2667 4.9; 3557 4.5; 4743 3.2; 6325 1.9; 8434 -1.3; 11247 -6.7; 14998 -12.5; 20000 -24.2