Spartan 821/721 Manual Directional Response A-38
110° -5.87 -6.90 -7.95 -8.58 -8.92 -8.70 -8.85 -9.70 -11.12 -14.00 -13.50 -14.11
120° -5.75 -5.70 -6.02 -7.18 -8.38 -10.00 -11.60 -12.15 -13.37 -14.25 -13.20 -13.93
130° -7.10 -7.60 -8.75 -9.60 -10.22 -10.17 -10.00 -10.27 -10.90 -11.65 -12.65 -15.06
140° -5.67 -5.77 -6.40 -7.58 -8.52 -9.75 -11.40 -12.75 -13.52 -14.60 -15.82 -17.28
150° -5.42 -5.90 -7.02 -8.35 -9.25 -9.70 -10.07 -10.42 -11.25 -12.30 -12.82 -14.01
160° -5.42 -5.70 -6.40 -7.48 -8.58 -9.60 -10.32 -10.95 -11.47 -12.32 -13.15 -14.05
170° -6.80 -7.20 -7.90 -8.98 -9.68 -10.27 -10.77 -11.30 -11.85 -12.70 -13.20 -14.13
180° -4.30 -4.62 -5.30 -6.32 -7.08 -7.80 -8.50 -9.10 -10.00 -11.00 -12.05 -13.10
190° -7.00 -7.10 -7.60 -8.38 -8.70 -9.10 -9.57 -10.00 -10.52 -11.40 -12.40 -13.05
200° -5.60 -5.82 -6.45 -7.38 -8.15 -8.70 -9.20 -9.70 -10.50 -11.70 -13.30 -14.03
210° -5.40 -6.02 -7.02 -7.68 -7.95 -8.20 -8.70 -9.30 -10.17 -11.05 -12.00 -12.41
220° -5.50 -5.70 -6.27 -7.22 -8.30 -9.70 -10.90 -11.60 -12.50 -14.00 -15.10 -14.79
230° -6.95 -7.30 -8.00 -8.38 -8.30 -8.20 -8.50 -8.90 -9.70 -11.10 -12.47 -13.45
240° -5.25 -5.25 -5.70 -6.78 -8.08 -9.45 -10.40 -11.12 -12.00 -11.75 -11.77 -11.13
250° -5.95 -6.85 -7.10 -7.42 -7.28 -7.27 -7.87 -9.10 -11.17 -12.05 -12.10 -12.24
260° -5.35 -4.45 -5.35 -6.72 -7.68 -8.00 -7.80 -8.40 -9.00 -10.10 -11.70 -11.17
270° -5.02 -5.20 -5.30 -5.58 -6.10 -6.60 -7.40 -7.90 -7.90 -8.90 -9.80 -10.62
280° -4.10 -3.90 -4.20 -5.28 -5.48 -5.67 -6.15 -6.40 -6.97 -7.60 -8.50 -8.25
290° -3.50 -3.97 -3.30 -4.00 -4.48 -4.60 -4.97 -5.40 -5.60 -6.25 -6.90 -6.88
300° -2.70 -2.50 -3.07 -2.88 -3.58 -3.70 -3.82 -4.10 -4.30 -4.70 -5.42 -5.45
310° -2.10 -2.30 -1.60 -2.58 -2.18 -2.82 -2.82 -3.00 -3.15 -3.47 -3.85 -3.80
320° -1.80 -1.10 -1.50 -1.22 -1.80 -1.60 -1.95 -2.00 -2.07 -2.15 -2.60 -2.43
330° -1.10 -0.80 -0.70 -1.08 -0.88 -1.05 -1.10 -1.10 -1.10 -1.30 -1.47 -1.30
340° -0.95 -0.40 -0.37 -0.38 -0.48 -0.60 -0.45 -0.50 -0.50 -0.50 -0.75 -0.53
350° -0.30 -0.10 -0.30 -0.15 -0.18 -0.10 -0.20 0.00 -0.20 -0.12 -0.10 -0.03
TABLE A.9 XZ 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° 0.03 0.00 0.05 0.05 0.03 0.00 0.00 0.02 -0.03 0.00 0.00 0.02 -0.05
20° 0.02 0.08 0.08 0.03 0.03 0.00 0.00 0.05 -0.13 -0.10 -0.05 0.05 -0.10
TABLE A.8 XY Directional Response without Windscreen 10.5 kHz - 20 kHz (Continued)
Nominal Frequency
Angle 10.6
kHz
11.2
kHz
11.8
kHz
12.5
kHz
13.2
kHz
14
kHz
15
kHz
16
kHz
17
kHz
18
kHz
19
kHz
20
kHz
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