Preamp: -51.1 dB GraphicEQ: 20 50.8; 27 45.7; 36 41.4; 47 43.1; 63 35.8; 84 28.9; 112 22.5; 150 10.6; 200 4.0; 267 2.1; 356 1.6; 474 -2.6; 632 -1.6; 843 0.8; 1125 0.5; 1500 1.8; 2000 1.0; 2667 -0.6; 3557 4.0; 4743 6.2; 6325 13.3; 8434 11.5; 11247 2.4; 14998 6.3; 20000 25.3