Preamp: -7.2 dB GraphicEQ: 20 -5.4; 27 -5.5; 36 -5.5; 47 -5.4; 63 -5.9; 84 -6.9; 112 -7.7; 150 -7.6; 200 -7.5; 267 -6.0; 356 -4.4; 474 -3.4; 632 -2.2; 843 -0.8; 1125 1.3; 1500 3.3; 2000 5.0; 2667 6.8; 3557 6.9; 4743 5.5; 6325 3.7; 8434 0.1; 11247 -5.7; 14998 -11.4; 20000 -23.1