Preamp: -16.1 dB GraphicEQ: 20 15.8; 27 15.7; 36 15.6; 47 14.8; 63 13.5; 84 11.6; 112 9.8; 150 6.8; 200 3.9; 267 2.4; 356 1.0; 474 -0.0; 632 -0.1; 843 -0.0; 1125 0.8; 1500 3.2; 2000 5.9; 2667 8.6; 3557 9.6; 4743 9.2; 6325 8.4; 8434 5.7; 11247 0.5; 14998 -5.2; 20000 -16.9