polar frequncy response

polfresp.dat

## 0dBu sine wave (Hz|dBu)
# ANGLE:  0		45		90		135		180		225		270		315
20	-77		-79		-80		-79		-80		-80		-78		-79
25	-75		-79		-76		-78		-80		-79		-78		-77
30	-74		-75		-73		-76		-75		-76		-75		-75
40	-71		-72		-72		-75		-78		-75		-75		-72
50	-65		-66		-68		-69		-70		-69		-68		-65
65	-59.2		-60		-62		-64		-65		-63		-62		-59.8
80	-67.8		-88.7		-60.9		-60.0		-63.0		-62		-61		-58.2
100	-53.8		-54.8		-57.5		-53.9		-61.0		-60		-57.7		-54.4
125	-48.6		-49.5		-51.9		-54.1		-55.0		-54.1		-52.3		-49.2
160	-48.5		-49.7		-52.7		-54.1		-54.3		-53.9		-52.1		-49.1
200	-48.4		-49.8		-53.4		-55.2		-55.1		-55.4		-53.5		-49.3
250	-48.6		-49.8		-53.3		-54.9		-55.1		-55.6		-54.0		-50.0
315	-46.5		-48.4		-55.5		-59.3		-55.6		-58.3		-54.5		-47.7
400	-45.2		-46.7		-52.7		-60.6		-56.2		-60.6		-52.1		-46.5
500	-44.2		-46.1		-51.5		-61.5		-55.4		-61.0		-51.3		-45.7
630	-42.6		-45.4		-50.6		-60.5		-55.4		-62.5		-51.3		-44.9
800	-45.0		-48.5		-54.0		-60.3		-59.7		-61.5		-55.1		-47.9
1000	-51.6		-55.1		-59.8		-63.2		-62.9		-64.1		-59.3		-53.0
1250	-46.8		-47.7		-62.5		-60.9		-62.9		-59.3		-61.3		-48.4
1600	-48.1		-48.3		-58.1		-62.8		-62.7		-65.5		-57.9		-47.5
2000	-46.6		-52.9		-65.8		-69.5		-62.7		-68.0		-75.0		-48.7
2500	-43.5		-54.1		-67.7		-75.0		-68		-74		-71.0		-48.0
3150	-45.6		-52.9		-64.4		-67.4		-73		-68		-66.5		-54.7
4000	-49.5		-51.2		-62.1		-66.7		-71		-67		-60.2		-57.2
5000	-46.2		-51.4		-58.7		-64.4		-73		-62		-58.2		-50.6
6300	-51.7		-57.4		-66.5		-70.6		-75		-69		-73.0		-54.2
8000	-53.0		-57.4		-69		-77		-74		-73		-75		-53.9
10000	-57.4		-62.9		-73		-77		-76		-78		-76		-60.4
12500	-55.7		-66.8		-77		-80		-79		-79		-78		-63.4
16000	-59.5		-76		-78		-80		-80		-80		-80		-68
20000	-66.1		-79		-79		-80		-80		-80		-80		-79

# A_low = 1.5
# A_high = 6

# F_xover = 2.75 kHz

# NTI MR1+ML1