Larson Davis Spartan 821 - Page 80

Spartan 821/721 Manual Directional Response A-33
FIGURE A-21 XZ Plane Response: Model 821 with 377B02 Microphone With Windscreen
FIGURE A-22 XZ Plane Directional Response Chart 1: Relative to 1000 Hz at 0°
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140°
150°
160°
170°
180°
190°
200°
210°
220°
230°
240°
250°
260°
270°
280°
290°
300°
310°
320°
330°
340°
350°
‐25
‐20
‐15
‐10
‐5
0
5
Frequency
(Hz)
dB
250 315 400 500 630 800
1000 1250 1600 2000 2500 3150 4000 5000 6300 8000
10000 12500 16000 20000
‐18
‐16
‐14
‐12
‐10
‐8
‐6
‐4
‐2
0
2
dB
Frequency(Hz)
0° 30° 60° 90° 120° 150°
180° 210° 240° 270° 300° 330°