Svantek SVAN 977A - Page 207

207
SVAN 977A User Manual - Appendixes
Test conditions:
SVAN 977A with microphone and preamplifier is mounted on the shaker.
Ref 1. Vibration is applied in a direction perpendicular to the plane of the microphone diaphragm.
Ref 2. Vibration is applied in a direction parallel to the plane of the microphone diaphragm.
Table C.1.9. Typical effect of vibration perpendicular to the plane of microphone diaphragm
f (Hz)
15.6
31.25
62.5
125
250
500
1000
2000
Typical effect of vibration
[dB]
54.6
41.9
38.2
46.2
38.3
42.0
58.6
52.4
Table C.1.10. Typical effect of vibration parallel to the plane of microphone diaphragm
f (Hz)
15.6
31.25
62.5
125
250
500
1000
2000
Typical effect of vibration
[dB]
26.5
53.1
30.1
27.0
33.3
48.6
35.6
40.7
Effect of vibration perpendicular to the microphone
membrane "Z" filter
0,00
10,00
20,00
30,00
40,00
50,00
60,00
70,00
15,6 31,25 62,5 125 250 500 1000 2000
f [Hz]
[dB]
Effect of vibration parallel to the microphone membrane
"Z" filter
0,00
10,00
20,00
30,00
40,00
50,00
60,00
15,6 31,25 62,5 125 250 500 1000 2000
f [Hz]
[dB]