Svantek SVAN 958A - Page 263

263
SVAN 958A User Manual
Table C.8.3. Self-generated noise for different weighting filters
Electrical *)
Acoustical compensated
Weighting filter
Range
A
C
LIN
A
C
LIN
Low
< 15 dB
< 15 dB
< 21 dB
< 19 dB
< 19 dB
< 25 dB
High
< 35 dB
< 35 dB
< 37 dB
< 39 dB
< 39 dB
< 41 dB
*) measured with the ST 02 microphone equivalent impedance 18 pF +/-10%
MK 255 Free Field frequency response for 90 deg incidence angle
Table C.8.4. MK 255 typical Free Field frequency response for 90 deg incidence angle
Frequency
MK 255 typical
Free Field
response
Frequency
MK 255 typical
Free Field
response
Frequency
MK 255 typical
Free Field
response
[Hz]
[dB]
[Hz]
[dB]
[Hz]
[dB]
251
0.03
1 090
-0.11
4 732
-1.73
259
0.02
1 122
-0.09
4 870
-1.71
266
-0.01
1 155
-0.07
5 012
-1.76
274
-0.02
1 189
-0.12
5 158
-1.91
282
-0.01
1 223
-0.16
5 309
-1.85
290
0.00
1 259
-0.21
5 464
-1.95
299
0.02
1 296
-0.21
5 623
-2.13
307
0.02
1 334
-0.15
5 788
-2.01
316
0.03
1 372
-0.21
5 957
-2.31
325
0.01
1 413
-0.21
6 131
-2.35
335
-0.03
1 454
-0.22
6 310
-2.32