Freq	Max	Min
1000	3	-3 
1900	3 	-3 
2100	2	-2 
3000 	2 	-2 
3400 	1.5	-1.5 
12000 	1.5	-1.5 
16500 	2.5	-2.5 
18000 	2.5	-2.5 
