36
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 A - C- Accuracy
frequency Characteristic Characteristic SL-400
31.5 Hz -39.4 dB -3.0 dB +/- 3.5 dB
63 Hz -26.2 dB -0.8 dB +/- 2.5 dB
125 Hz -16.1 dB -0.2 dB +/- 2.0 dB
250 Hz -8.6 dB 0 dB +/- 1.9 dB
500 Hz -3.2 dB 0 dB +/- 1.9 dB
1 KHz 0 dB 0 dB +/- 1.4 dB
2 KHz +1.2 dB -0.2 dB +/- 2.6 dB
4 KHz +1 dB -0.8 dB +/- 3.6 dB
8 KHz -1.1 dB -3.0 dB +/- 5.6 dB
If the sound impact angle deviates from 0°, the following differential values result:
Frequency, kHz +/- 30°
0.25 to 1 2.3 dB
>1 to 2 2.5 dB
>2 to 4 4.5 dB
>4 to 8 7.0 dB
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