Preamp: -3.5 dB
GraphicEQ: 20 -3.2; 27 -4.4; 36 -4.6; 47 -4.5; 63 -4.2; 84 -4.0; 112 -3.3; 150 -2.3; 200 -2.3; 267 -1.3; 356 -0.8; 474 -0.0; 632 1.4; 843 1.8; 1125 -0.0; 1500 0.6; 2000 0.5; 2667 -1.1; 3557 0.5; 4743 3.2; 6325 -0.1; 8434 -1.1; 11247 -7.2; 14998 -5.1; 20000 -9.0