Preamp: -6.7 dB GraphicEQ: 20 2.1; 27 2.0; 36 1.9; 47 1.4; 63 0.4; 84 -1.3; 112 -2.8; 150 -3.2; 200 -3.7; 267 -2.7; 356 -1.7; 474 -1.4; 632 -0.9; 843 -0.3; 1125 1.0; 1500 2.8; 2000 4.5; 2667 6.3; 3557 6.4; 4743 5.3; 6325 4.0; 8434 0.8; 11247 -4.7; 14998 -10.4; 20000 -22.1