Preamp: -15.9 dB GraphicEQ: 20 15.6; 27 15.5; 36 15.4; 47 14.7; 63 13.4; 84 11.5; 112 9.6; 150 6.9; 200 4.2; 267 2.9; 356 1.7; 474 0.7; 632 0.3; 843 0.1; 1125 0.7; 1500 3.2; 2000 5.9; 2667 8.8; 3557 9.9; 4743 9.4; 6325 8.2; 8434 5.2; 11247 -0.2; 14998 -5.9; 20000 -17.6