Preamp: -5.1 dB GraphicEQ: 20 4.8; 27 3.6; 36 2.7; 47 1.6; 63 0.2; 84 -1.6; 112 -3.1; 150 -4.3; 200 -5.2; 267 -4.4; 356 -3.5; 474 -2.4; 632 -0.9; 843 0.3; 1125 0.1; 1500 0.3; 2000 -0.3; 2667 -2.1; 3557 2.1; 4743 2.5; 6325 -0.9; 8434 -4.0; 11247 -3.3; 14998 -9.1; 20000 -12.9