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TECHNIAL DESCRIPTION
Microphone
See also SH 190 testing with 20 to 20k Hz filter,input leven 1mv rms(lim:1.5mv rms) Rs=600ohm output 500mW
Measurment are directly done at the coonector on the board
GENERAL PART
Measurement are directly done at the connector Microphone(mic1,mic2)
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Output Voltage RL = 33 k ohm ( )dB, 1 Khz )
Channel Unbalanceo about( mic1 and mic2)
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Signal to Noise Ratio ( 0dB,1kHz ) ( A - weighted )
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Microphone Frequency response
volume 23,input leven 1mv rms,
connect main load
Remarks :
testing with 20 to 20k Hz filter
Class No
FWM9000 All Version
NAME : ZC.ZENG
CHECK
Description
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at
FL/FR ch
USB SPECICFICATION
12
DATE :
1 - 15
Nom
Lim
N
A /
N/A
1
+/- 3
6
8
N
A /
N
A /
45
40
5
0 5
+
- /
0 2
%
1
1
5 .
6
8
2
4
±4
63HZ
-12
ref
1KHZ
0
±3
10KHZ
-3
9
SH 190 -9
Specification
Unit
dBA
%
dBA
m
W
m
V
mV
m
V
dB
dB
dB
Ver
Issued Date
1
08-09-2011
2
3
A4
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