Preamp: -4.7 dB GraphicEQ: 20 -1.7; 27 -1.7; 36 -1.8; 47 -1.8; 63 -2.4; 84 -3.5; 112 -4.5; 150 -4.3; 200 -4.0; 267 -2.4; 356 -0.7; 474 -0.4; 632 -0.3; 843 -0.1; 1125 0.8; 1500 2.1; 2000 3.2; 2667 4.4; 3557 3.9; 4743 2.5; 6325 1.2; 8434 -2.0; 11247 -7.4; 14998 -13.2; 20000 -24.9