Preamp: -8.3 dB GraphicEQ: 20 6.9; 27 6.2; 36 5.6; 47 5.0; 63 3.8; 84 2.6; 112 1.5; 150 0.2; 200 -1.1; 267 -0.5; 356 -0.5; 474 0.3; 632 -0.7; 843 -0.4; 1125 1.1; 1500 4.1; 2000 6.3; 2667 6.8; 3557 8.0; 4743 6.7; 6325 4.1; 8434 8.0; 11247 2.1; 14998 1.4; 20000 -7.0