Preamp: -6.7 dB GraphicEQ: 20 1.7; 27 1.6; 36 1.5; 47 1.1; 63 0.2; 84 -1.3; 112 -2.7; 150 -3.3; 200 -3.8; 267 -3.0; 356 -2.1; 474 -1.7; 632 -1.1; 843 -0.4; 1125 1.0; 1500 2.9; 2000 4.6; 2667 6.4; 3557 6.4; 4743 5.4; 6325 4.3; 8434 1.3; 11247 -4.1; 14998 -9.8; 20000 -21.5