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250 Hz
125 Hz
500 Hz
5,000 Hz
10,000 Hz
1,000 Hz
20
15
10
5
0
-30
-25
-20
-15
-10
-5
dB
Hz
20
100
1k
10k
20k
0.6 m (2 ft.) from sound source
1 cm (0.4 in) from sound source
www.shure.com
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