Preamp: -7.9 dB GraphicEQ: 20 -7.8; 27 -7.9; 36 -8.0; 47 -7.9; 63 -8.0; 84 -8.5; 112 -9.0; 150 -8.4; 200 -7.7; 267 -5.5; 356 -3.2; 474 -1.9; 632 -1.2; 843 -0.4; 1125 1.1; 1500 3.2; 2000 5.1; 2667 7.0; 3557 7.6; 4743 6.0; 6325 3.6; 8434 0.5; 11247 -4.1; 14998 -9.3; 20000 -24.1