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
31.5 Hz
63 Hz
125 Hz
250 Hz
500 Hz
1 KHz
2 KHz
4 KHz
8 KHz
A-
Characteristic
Characteristic
-39.4 dB
-26.2 dB
-16.1 dB
-8.6 dB
-3.2 dB
0 dB
+1.2 dB
+1 dB
-1.1 dB
C-
Accuracy
SL-200
-3.0 dB
+/- 3 dB
-0.8 dB
+/- 2 dB
-0.2 dB
+/- 1.5 dB
0 dB
+/- 1.5 dB
0 dB
+/- 1.5 dB
0 dB
+/- 1.5 dB
-0.2 dB
+/- 2 dB
-0.8 dB
+/- 3 dB
-3.0 dB
+/- 5 dB
27