Preamp: -5.6 dB GraphicEQ: 20 -8.3; 27 -7.5; 36 -6.5; 47 -5.7; 63 -5.1; 84 -4.9; 112 -4.6; 150 -4.2; 200 -3.9; 267 -2.5; 356 -1.3; 474 -0.6; 632 0.2; 843 0.5; 1125 -0.3; 1500 -0.9; 2000 -0.7; 2667 2.1; 3557 5.3; 4743 0.1; 6325 3.4; 8434 -1.2; 11247 1.1; 14998 -7.1; 20000 -10.2