1. DBR10 I D CONTOUR FOH MAIN D CONTOUR OFF 10 Sl 0 LU o Z O D w 10 14 20 30 20 50 100 500 1k 5k 10k 20k FREQUENCY Hz DBR12 29 n TATTOO D CONTOUR FOH MAIN D CONTOUR OFF 10 3 0 W ao Z O 5 w 10 14 20 30 20 50 100 500 1k 5k 10k 20k FREQUENCY Hz DBR15 20 D CONTOUR FOH MAIN D CONTOUR OFF 10 al 0 LU ao Z O 5 w 10 E 20 30 20 50 100 500 1k 5k 10k FREQUENCY Hz 20k