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Chapter 3. Electrical Characteristics
3.1 Basic Parameters
Basic parameter tested @DC12V 4ohm (except for the parameters marked with *)
TABLE 3-1 BASIC PARAMETERS
Parameter
Power voltage
Input Sensitivity
Frequency
Output power*
（V
Output power *
（V
（THD+N）
Efficiency
Signal/Noise Ratio
Minimum
Impendence
Input Impendence
Power Gain
Working Temperature
Note: *The chip specifications by Tripath.
放前，再次检查播放机是否发生故障
3.2 Fault Tracing
If the amplifier does not work well, please read the following table:
A
A-AB32159_Ver1.0_Page 8
= 12V, R
= 4Ω）
CC
L
= 12V, R
= 8Ω）
CC
L
90dB(A weighted)
Load
2 X 15WATT CLASS-D AUDIO
AMPLIFIER - TA2024
Min
9V
642mV
-
20Hz-20KHz(±3dB)
9W@4ohm, THD+N<0.1%
-
12W@4ohms, THD+N<1%
15W@4ohms, THD+N<10%
-
0.03% THD+N @ 9W, 4Ω
-
0.1% THD+N @11W, 4Ω
0.1% THD+N @6W, 8Ω
84% @ 15W, 4Ω
-
90% @ 10W, 8Ω
90dB(A weighted)
3.2 ohms
10K
25dB
0℃
USER'S GUIDE
Typical
12V
662mV
10W @ 8ohms,
THD+N<10%
4 ohms
20K
27.6dB
25℃
© 2004-2010 Sure Electronics Inc.
Max
14V
680mV
-
-
-
-
-
-
-
-
-
55℃
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