Preamp: -33.5 dB GraphicEQ: 20 33.2; 27 29.1; 36 25.1; 47 20.5; 63 14.7; 84 8.2; 112 2.5; 150 -1.2; 200 -2.4; 267 -1.5; 356 -0.7; 474 -0.8; 632 -0.9; 843 -0.5; 1125 0.9; 1500 1.4; 2000 3.8; 2667 5.1; 3557 1.8; 4743 0.5; 6325 -3.4; 8434 -3.0; 11247 -2.4; 14998 -3.2; 20000 5.8