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RackPack: Preference Mic Pre
19
Measurements
Sound Performance Lab 08/20/07 13:48:31CMRR
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 20k20 50 100 200 500 1k 2k 5k 10k
Hz
Sound Performance Lab 08/20/07 12:13:27Frequency 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 200k20 50 100 200 500 1k 2k 5k 10k 20k 50k
Hz