Preamp: -3.5 dB GraphicEQ: 20 3.2; 27 2.3; 36 1.9; 47 1.4; 63 0.8; 84 -0.1; 112 -0.8; 150 -1.3; 200 -1.8; 267 -1.1; 356 -0.5; 474 -0.1; 632 0.8; 843 0.9; 1125 -0.1; 1500 -0.1; 2000 -0.7; 2667 -0.5; 3557 2.3; 4743 2.7; 6325 2.9; 8434 -3.8; 11247 -1.1; 14998 -8.7; 20000 -12.5