Preamp: -12.5 dB GraphicEQ: 20 9.4; 27 7.5; 36 5.9; 47 4.1; 63 2.1; 84 -0.1; 112 -2.0; 150 -3.3; 200 -4.4; 267 -3.5; 356 -3.1; 474 -2.1; 632 -0.7; 843 0.2; 1125 0.3; 1500 2.2; 2000 7.0; 2667 11.8; 3557 12.2; 4743 7.9; 6325 3.3; 8434 -0.6; 11247 9.9; 14998 3.3; 20000 1.9