Measurements, Rackpack: preference mic pre 19 – Sound Performance Lab 2711 User Manual
Page 19
RackPack: Preference Mic Pre
19
Measurements
Sound Performance Lab
08/20/07 13:48:31
CMRR
CMRR -30dB.at27
CMRR with -30dBu input level and vu = 30dB
black = input -> output 1
grey = input -> output 2
-100
-50
-90
-80
-70
-60
d
B
u
10
20k
20
50
100
200
500
1k
2k
5k
10k
Hz
Sound Performance Lab
08/20/07 12:13:27
Frequency Response / THD+N
ratio
Freq Resp + THD.at27
Frequency Response and THD + N ratio with -30dBu input level and vu = 30dB
black = frequency response
grey = THD + N ratio
0.025
0.2
0.05
0.075
0.1
0.125
0.15
0.175
%
-3
+3
-2
-1
+0
+1
+2
d
B
u
10
200k
20
50
100
200
500
1k
2k
5k
10k
20k
50k
Hz