Bose Personalized Amplification System Руководство по устранению неполадок - Страница 5
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The system delivers 250W of output power for each of the three amplifiers housed in the power
stand. The system uses a 110V / 230V AC power supply, and has a 1M ohm input impedance at
the audio Ch1/Ch2 line input connector and 1.25k ohm input impedance at the audio Ch1/Ch2
MIC connector. Input signal headroom is 2.1Vrms max. A user could operate the system from
the input panel and the remote (refer to figures 3 and 4).
Channel 1/2
U nbal
U nbal
Figure 3. Powerstand Input and Output Connections
THEORY OF OPERATION
Power amp patch, bass, remote and AC power connections
TRS B al /U nbal
R1 remote control
Figure 4. R1 Remote Control
Channel 3/4
CH1
CH2
0
0
HIGH
-12
+12
-12
+12
0
0
MID
-12
+12
-12
+12
0
0
LOW
-12
+12
-12
+12
LEVEL
SIG / OL
SIG / OL
0
12
0
12
MASTER
0
12
5
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C ommercial
A udio P r o duct
917D