447Hz	
	No Foam		2in foam	4in foam

0	130		130		130
1	116.6		106.4		103.6
2	98.9		96.8		91.2
3	90.6		88.1		85.5
4	87.5		85.2		81.5
5	84.5		81.7		78.1
6	77.8		76.5		73.8
7	80.9		73.8		69
8	84.5		77.4		68.9
9	85.8		81.3		75
10	84.6		76.6		71.6
15	79.6		78.4		74.7
20	80		78.9		73.8
25	79.3		75.1		73.2
30	78.1		72.9		69.7
35	77.2		71.4		69.1
40	75.8		70.6		68.4
45	74.2		70.1		66.7
50	73.5		69.4		67.2
55	70.8		68.9		66.3