Preamp: -4.9 dB GraphicEQ: 20 -1.2; 27 -1.3; 36 -1.4; 47 -1.6; 63 -2.5; 84 -3.8; 112 -5.0; 150 -4.6; 200 -4.2; 267 -2.3; 356 -0.4; 474 -0.0; 632 -0.1; 843 -0.0; 1125 0.8; 1500 2.1; 2000 3.3; 2667 4.6; 3557 4.2; 4743 2.9; 6325 1.6; 8434 -1.6; 11247 -7.0; 14998 -12.7; 20000 -24.4