Rear Panel Features And Operation - Extron electronics XPA Ultra Series User Manual
Half-rack audio power amplifiers
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Also See for XPA Ultra Series:
- Setup manual (3 pages) ,
- User manual (27 pages) ,
- User manual (27 pages)
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C
D
Rear Panel Features and Operation
A
B
C
D
Figure 15.
NOTE: XPA U 358 rear panels displayed above, other XPA U Series rear panels function
A
B
Limiter/Protect Indicator LEDs — These LEDs (representing their respective output
channels) light red under three circumstances:
When the output wiring is shorted together.
•
When audio clipping occurs, the LED of the corresponding channel blinks once per
•
clip occurrence.
When an amplifier channel overheats, the corresponding LED lights. The LEDs do
•
not light after the amplifier recovers from the overheated condition.
NOTE: These LEDs are also located on the rear panel.
Signal Indicator LEDs — These LEDs (representing their respective output channels)
light green only when an input signal is detected on the corresponding channel.
NOTE: These LEDs are also located on the rear panel.
A
B
D
10
10
12
8
12
LIMITER/
8
PROTECT
14
6
14
6
14
18
4
4
26
2
2
∞
∞
0
0
5 6 7 8
5
6
SIGNAL
10
10
12
8
12
8
LIMITER/
14
14
14
PROTECT
6
6
18
4
4
26
2
2
∞
∞
100-240 0.5A, 50-60 Hz
0
0
1
2 3 4
1
2
XPA U 358
SIGNAL
ATTENUATION
C
10
10
12
LIMITER/
8
12
8
14
6
14
14
PROTECT
6
18
4
4
26
2
2
∞
∞
0
0
5 6 7 8
5
6
SIGNAL
10
10
12
12
8
LIMITER/
8
PROTECT
14
6
14
6
14
18
4
4
26
2
2
∞
∞
0
0
100-240V
0.5A, 50-60 Hz
1
2 3 4
1
2
XPA U 358-70V
SIGNAL
ATTENUATION
AC Power Connector
Limiter/Protect Indicator LEDs
Signal Indicator LEDs
Attenuation Potentiometers
XPA Ultra Series Rear Panel
identically.
AC Power Connector — Connect a standard IEC AC power cord here for power input
(100 VAC to 240 VAC, 50-60 Hz) to the internal, autoswitching power supply. This
connector may be replaced by the Flexible Conduit Adapter Kit (see
Adapter Kit Installation
Limiter/Protect Indicator LEDs — These LEDs light red under certain circumstances
(see
Front Panel Signal Indicator LEDs
E
G
10
10
12
12
8
8
5
6
7
8
6
14
6
4
4
2
2
∞
∞
0
0
7
8
10
10
12
8
12
8
1
2
3
4
STANDBY
14
6
6
G
4
4
2
2
∞
∞
0
0
3
4
INPUTS
REMOTE
F
10
10
12
12
8
8
5
6
7
8
G OFF
6
6
14
4
4
2
2
∞
∞
HPF
0
0
7
8
10
10
12
8
12
8
1
2
3
4
STANDBY
6
14
6
G
4
4
2
2
∞
∞
0
0
3
4
INPUTS
REMOTE
Audio Input
E
High Pass Filter Control Port
F
Remote Port
G
Speaker Outputs
H
on page 11).
at the top of this page).
XPA Ultra Series Power Amplifiers • Operation
H
5
6
7
8
CLASS 2 WIRING
1
2
3
4
8Ω/4Ω
OUTPUTS
5
6
7
8
CLASS 2 WIRING
1
2
3
4
70V
OUTPUTS
Flexible Conduit
16
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