Preamp: -10.8 dB GraphicEQ: 20 10.5; 27 10.4; 36 10.4; 47 9.7; 63 8.5; 84 6.8; 112 5.1; 150 2.9; 200 0.8; 267 0.1; 356 -0.6; 474 -1.0; 632 -0.7; 843 -0.3; 1125 0.9; 1500 2.9; 2000 4.9; 2667 6.9; 3557 7.2; 4743 5.7; 6325 3.6; 8434 -0.3; 11247 -6.2; 14998 -12.0; 20000 -23.7