Preamp: -3.3 dB GraphicEQ: 20 -1.7; 27 -1.7; 36 -1.4; 47 -1.4; 63 -1.6; 84 -2.2; 112 -2.5; 150 -2.6; 200 -2.8; 267 -1.7; 356 -0.8; 474 -0.2; 632 0.5; 843 0.5; 1125 -0.1; 1500 0.0; 2000 0.1; 2667 -0.2; 3557 -0.5; 4743 -1.1; 6325 3.0; 8434 0.5; 11247 -1.5; 14998 0.0; 20000 1.1