Preamp: -10.6 dB GraphicEQ: 20 -2.4; 27 -2.4; 36 -2.5; 47 -2.4; 63 -2.5; 84 -3.0; 112 -3.6; 150 -4.2; 200 -4.8; 267 -3.7; 356 -2.7; 474 -1.9; 632 -1.2; 843 -0.4; 1125 1.1; 1500 3.7; 2000 6.4; 2667 9.0; 3557 10.3; 4743 9.3; 6325 7.4; 8434 4.7; 11247 0.4; 14998 -4.8; 20000 -19.6