Preamp: -6.1 dB GraphicEQ: 20 5.8; 27 5.1; 36 4.9; 47 4.5; 63 3.5; 84 1.6; 112 -0.7; 150 -2.8; 200 -4.2; 267 -3.7; 356 -3.5; 474 -3.3; 632 -2.3; 843 -0.6; 1125 0.3; 1500 1.0; 2000 0.8; 2667 1.9; 3557 4.4; 4743 3.0; 6325 4.7; 8434 4.2; 11247 2.1; 14998 -4.6; 20000 -14.5