Preamp: -3.5 dB
GraphicEQ: 20 -1.5; 27 -2.3; 36 -2.4; 47 -2.5; 63 -2.5; 84 -2.8; 112 -2.9; 150 -3.0; 200 -3.2; 267 -2.2; 356 -1.4; 474 -1.1; 632 -0.5; 843 -0.1; 1125 -1.3; 1500 -3.4; 2000 -3.9; 2667 0.1; 3557 3.2; 4743 2.6; 6325 2.2; 8434 -6.5; 11247 -5.7; 14998 -15.7; 20000 -19.0