Preamp: -7.1 dB GraphicEQ: 20 -9.3; 27 -9.4; 36 -9.3; 47 -8.9; 63 -8.6; 84 -8.8; 112 -9.0; 150 -8.4; 200 -7.9; 267 -5.7; 356 -3.6; 474 -2.2; 632 -1.4; 843 -0.5; 1125 1.1; 1500 3.1; 2000 4.8; 2667 6.4; 3557 6.8; 4743 5.2; 6325 2.9; 8434 -0.0; 11247 -4.5; 14998 -9.7; 20000 -24.6