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Measurements, Rackpack: preference mic pre 19 – Sound Performance Lab 2711 User Manual

Page 19

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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