Preamp: -8.1 dB GraphicEQ: 20 -4.2; 27 -4.7; 36 -4.8; 47 -4.4; 63 -2.4; 84 -3.5; 112 -7.4; 150 -10.2; 200 -10.3; 267 -7.5; 356 -5.1; 474 -6.5; 632 -4.1; 843 -2.4; 1125 2.8; 1500 7.7; 2000 7.7; 2667 7.8; 3557 3.8; 4743 -2.2; 6325 -9.7; 8434 -2.5; 11247 4.3; 14998 -2.9; 20000 -10.4