The following list shows the frequency response for the sound incidence from the datum
direction („Characteristic“ column) as well as the error limits of both devices („Accuracy“
column)
Rated
frequency
A-
Characteristic
C-
Characteristic
Accuracy
SL-100
Accuracy
SL-100
31.5 Hz
-39.4 dB
-3.0 dB
+/- 4 dB
+/- 3 dB
63 Hz
-26.2 dB
-0.8 dB
+/- 3 dB
+/- 2 dB
125 Hz
-16.1 dB
-0.2 dB
+/- 2 dB
+/- 1.5 dB
250 Hz
-8.6 dB
0 dB
+/- 2 dB
+/- 1.5 dB
500 Hz
-3.2 dB
0 dB
+/- 2 dB
+/- 1.5 dB
1 KHz
0 dB
0 dB
+/- 2 dB
+/- 1.5 dB
2 KHz
+1.2 dB
-0.2 dB
+/- 3 dB
+/- 2 dB
4 KHz
+1 dB
-0.8 dB
+/- 5 dB
+/- 3 dB
8 KHz
-1.1 dB
-3.0 dB
+/- 6 dB
+/- 5 dB
27