Iso-Tech SLM 52N - Page 8

EN-6
Frequency Response
+5
-5
20 50 100 200 500 1000 2000 5000 10000 20000 (Hz)
(
d B )
0
Freq
units
31.5
Hz
63
Hz
125
Hz
250
Hz
500
Hz
1000
Hz
2000
Hz
4000
Hz
8000
Hz
dB +0.6 +0.8 +0.2 +0.0 0.0 0.0 +0.8 +1.3 +3.0
Typical free-field response 0°
°°
° incidence
2 0
- 2
0
- 1 0
0
1 0
2 0
(
d B
)
5 0
1
0 0
2
0 0
5
0 0
1
0 0
0
2
0 0
0 5
0 0
0
1 0
0 0
0
2 0
0 0
0
( H
z )
Freq
units
31.5
Hz
63
Hz
125
Hz
250
Hz
500
Hz
1000
Hz
2000
Hz
4000
Hz
8000
Hz
dB +0.1 +0.4 0.0 +0.5 -0.2 0.0 +0.2 0.0 -0.5
Typical diffuse-field response for random incidence
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Preamplifier:
•
Model:
AP-21
•
Input impedance:
470MΩ
•
Output impedance:
550Ω at 1000Hz
•
Maximum input voltage:
2.828V peak-to-peak at electrical input for no damage.
•
Measuring input (viewed from top of instrument):
A: ground
B: ground
C: +10V
D: signal input
E: N.C.