Preamp: -4.9 dB GraphicEQ: 20 -1.7; 27 -1.8; 36 -1.8; 47 -1.9; 63 -2.4; 84 -3.6; 112 -4.5; 150 -4.2; 200 -3.9; 267 -2.1; 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 3.0; 6325 1.9; 8434 -1.1; 11247 -6.5; 14998 -12.2; 20000 -23.9