Preamp: -6.7 dB GraphicEQ: 20 2.7; 27 2.6; 36 2.6; 47 2.3; 63 1.5; 84 0.1; 112 -1.2; 150 -1.5; 200 -1.9; 267 -0.8; 356 0.3; 474 0.3; 632 0.1; 843 0.0; 1125 0.7; 1500 2.5; 2000 4.3; 2667 6.2; 3557 6.4; 4743 5.3; 6325 4.1; 8434 0.9; 11247 -4.6; 14998 -10.3; 20000 -22.0