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上图,测试结果。2005的时候搞的,没有用太多心思,测了一下
PCB做得不够好,就不上图了啊
ROHDE & SCHWARZ UPD audio anlysizer
Test
Result (Lch /Rch)
OUTPUT LEVEL:
2.0855Vrms / 2.0820Vrms @1KHz 0dB,
S/N:
-97.89dBFS / -96.49dBFS
>
A-weight
-102.13dBFS / -101.82dBFS
>
Dynamic Range:
99.57dBA / 99.09dBA
>
Channel Separation:
-[email=102.04%20/%20-99.63%20/%20-87.33%20/-92.07dB@100%20/%201K%20/10K%20/20K%20Hz]102.04 / -99.63 / -87.33 /-92.07dB@100 / 1K /10K /20K Hz[/email]
-[email=102.18%20/%20-99.30%20/%20-87.02%20/-92.45dB@100%20/%201K%20/10K%20/20K%20Hz]102.18 / -99.30 / -87.02 /-92.45dB@100 / 1K /10K /20K Hz[/email]
Frequency Response:
[email=-0.2dB%20/%20-0.2dB@20Hz-20KHz]-0.2dB / -0.2dB@20Hz-20KHz[/email]
>
[email=-0.024%20/%20-0.038%20%20dB@20Hz]-0.024 / -0.038
dB@20Hz[/email]
+0.010 / -0.005
dB@5KHz
[email=+0.015%20%20%200%20%20%20%20%20%20%20%20%20dB@40Hz]+0.015
0
dB@40Hz[/email]
-0.013
/ -0.028
dB@7KHz
+0.025 / [email=0.01%20%20%20%20dB@100Hz]0.01
dB@100Hz[/email]
-0.040
/ 0.055
dB@10KHz
+0.019 / [email=0.004%20%20dB@200Hz]0.004
dB@200Hz[/email]
-0.124
/ -0.139
dB@16KHz
+0.024 / [email=+0.009dB@500Hz]+0.009dB@500Hz[/email]
-0.164
/ -0.179
dB@18KHz
+0.015 /
[email=0%20dB@1KHz]0 dB@1KHz[/email]
-0.190
/ -0.200
dB@20KHz
THD+N /
Non-weight:
0.0031%
/
0.0032%
@1KHz 0dB
A-weight:
0.0029% -91.0dBA / 0.0028% -91.7dBA
@1KHz 0dB
-96.40 / -95.51
dBA @20Hz
-86.58 / -86.92 dBA@5KHz
-96.03 / -95.54
dBA @40Hz
-84.61 /-84.73
dBA @7KHz
-95.29 / -94.71
dBA
@100Hz
-81.21 / -80.96 dBA @10KHz
-93.03 / -93.14
dBA
@200Hz
-80.20 / -80.36
dBA @16KHz
-90.66 / -91.15
dBA
@500Hz
-80.98 / -81.32
dBA @18KHz
-81.90 / -82.52
dBA @20KHz
-93.33 / -92.13 dBA @ 1KHz –3dB
-90.65 / -91.00
[email=dBA@%201K]dBA @ 1K[/email]Hz -6dB
-88.12 / -88.19
dBA @ 1KHz –10dB
-79.42 / -79.24
dBA
@1KHz –20dB
-39.57 / -39.09
dBA
@1KHz –60dB |
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