Preamp: -15.8 dB GraphicEQ: 20 15.5; 27 13.3; 36 11.2; 47 9.4; 63 7.3; 84 4.9; 112 3.1; 150 1.5; 200 0.3; 267 0.8; 356 1.2; 474 0.9; 632 1.0; 843 0.5; 1125 0.3; 1500 1.1; 2000 4.0; 2667 7.2; 3557 6.0; 4743 9.7; 6325 7.5; 8434 2.9; 11247 0.3; 14998 1.3; 20000 -12.5