Larson Davis Spartan 821 - Page 82

Spartan 821/721 Manual Directional Response A-35
A.5.3 Directional Response Tables Without Windscreen
For windscreen effects on directional response, see Table B.3 Directional Response (from 0° to 90°) of 3 ½-inch
Windscreen and Table B.4 Directional Response (from 100° to 180°) of 3 ½-inch Windscreen
TABLE A.6 XY Directional Response without Windscreen 250 Hz - 2.8 kHz
Nominal Frequency
Angle 250
Hz
315
Hz
400
Hz
500
Hz
630
Hz
800
Hz
1
kHz
1.25
kHz
1.6
kHz
2
kHz
2.24
kHz
2.5
kHz
2.8
kHz
0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
10° 0.08 0.02 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 -0.05
20° 0.00 0.02 0.00 0.00 0.02 0.10 0.00 0.05 -0.10 0.00 -0.10 0.10 -0.10
30° 0.00 0.02 0.00 0.00 -0.03 0.05 0.00 0.07 -0.25 -0.02 -0.10 0.20 -0.08
40° 0.10 0.08 0.05 0.03 0.05 0.10 0.03 0.07 -0.40 -0.20 -0.17 0.20 0.12
50° 0.08 0.02 0.05 0.03 0.00 0.10 0.10 0.13 -0.45 -0.40 -0.20 0.00 0.20
60° 0.05 0.02 0.00 0.00 -0.03 0.10 0.10 0.17 -0.40 -0.70 -0.40 -0.15 -0.08
70° 0.10 0.10 0.08 0.00 0.00 0.20 0.10 0.17 -0.27 -0.90 -0.80 -0.30 -0.35
80° 0.10 0.02 0.00 0.00 -0.05 0.13 0.13 0.17 -0.20 -0.70 -0.90 -0.70 -0.58
90° 0.00 -0.08 -0.10 -0.07 -0.15 0.10 0.10 0.27 -0.20 -0.50 -0.60 -0.90 -0.98
100° 0.05 -0.08 -0.07 -0.10 -0.18 0.00 0.10 0.27 -0.10 -0.60 -0.50 -0.40 -0.58
110° -0.05 -0.08 -0.20 -0.20 -0.25 -0.10 0.00 0.25 0.03 -0.50 -0.60 -0.50 -0.38
120° -0.15 -0.18 -0.27 -0.27 -0.25 -0.20 -0.20 0.07 0.00 -0.30 -0.40 -0.50 -0.58
130° -0.20 -0.22 -0.30 -0.30 -0.35 -0.30 -0.30 -0.13 -0.30 -0.50 -0.40 -0.20 -0.18
140° -0.25 -0.28 -0.30 -0.30 -0.35 -0.27 -0.37 -0.23 -0.47 -0.90 -0.80 -0.60 -0.38
150° -0.27 -0.28 -0.30 -0.20 -0.25 -0.30 -0.30 -0.13 -0.42 -0.90 -1.10 -1.10 -0.98
160° -0.30 -0.28 -0.32 -0.12 -0.15 -0.20 -0.30 -0.03 -0.15 -0.70 -0.80 -0.70 -0.78
170° -0.32 -0.38 -0.35 -0.10 -0.10 -0.10 -0.20 -0.03 0.10 -0.40 -0.50 -0.20 -0.18
180° -0.35 -0.35 -0.37 -0.12 -0.15 0.00 -0.12 -0.03 0.10 -0.30 -0.40 0.00 0.15
190° -0.42 -0.48 -0.42 -0.17 -0.15 -0.10 -0.27 -0.07 0.10 -0.50 -0.60 -0.30 -0.18
200° -0.40 -0.45 -0.40 -0.20 -0.25 -0.30 -0.37 -0.07 -0.20 -0.80 -0.80 -0.90 -0.95
210° -0.40 -0.48 -0.42 -0.30 -0.33 -0.30 -0.40 -0.17 -0.45 -1.00 -1.10 -1.00 -0.98
220° -0.40 -0.48 -0.47 -0.40 -0.35 -0.37 -0.50 -0.27 -0.45 -0.80 -0.80 -0.50 -0.28
230° -0.37 -0.48 -0.47 -0.40 -0.35 -0.40 -0.40 -0.13 -0.20 -0.40 -0.40 -0.27 -0.18
240° -0.37 -0.40 -0.40 -0.35 -0.35 -0.30 -0.30 -0.03 0.00 -0.35 -0.45 -0.60 -0.58
250° -0.37 -0.48 -0.47 -0.32 -0.35 -0.20 -0.20 0.17 0.08 -0.60 -0.70 -0.50 -0.28
260° -0.30 -0.35 -0.40 -0.27 -0.25 -0.10 -0.10 0.20 -0.10 -0.60 -0.60 -0.50 -0.60
270° -0.32 -0.28 -0.32 -0.20 -0.15 -0.05 0.00 0.17 -0.15 -0.50 -0.70 -0.90 -0.90
280° -0.25 -0.28 -0.30 -0.10 -0.15 0.00 0.00 0.07 -0.15 -0.70 -0.92 -0.70 -0.48