VOLTCRAFT SL-400 Bedienungsanleitung Seite 37

Power pack unit
Operating voltage ................100 – 240 V/AC 50/60 Hz
Power input..........................max. 0.35 A
Output..................................9 VDC/0.5 A
The following list shows the correction data for the frequency response of the sound
impact from the reference direction (columns „Characteristic") as well as the error
tolerances (column „Accuracy").
Nominal
frequency
31.5 Hz
63 Hz
125 Hz
250 Hz
500 Hz
1 KHz
2 KHz
4 KHz
8 KHz
If the sound impact angle deviates from 0°, the following differential values result:
Frequency, kHz
0.25 to 1
>1 to 2
>2 to 4
>4 to 8
36
A -
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
+/- 30°
2.3 dB
2.5 dB
4.5 dB
7.0 dB
C-
Characteristic
-3.0 dB
-0.8 dB
-0.2 dB
0 dB
0 dB
0 dB
-0.2 dB
-0.8 dB
-3.0 dB
Accuracy
SL-400
+/- 3.5 dB
+/- 2.5 dB
+/- 2.0 dB
+/- 1.9 dB
+/- 1.9 dB
+/- 1.4 dB
+/- 2.6 dB
+/- 3.6 dB
+/- 5.6 dB