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100-240V
1.5A, 50-60 Hz
LISTED
AUDIO/VIDEO
APPARATUS
17TT
XPA 2004
1
2
Rear Panel
a
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.
b
Power switch — This rocker switch turns power to the amplifier on or off. The off
position also disables remote standby (see d).
c
Power indicator LED — This LED lights:
•
Green when the amplifier is receiving full power.
•
Amber when the amplifier is in standby mode. Standby mode turns off all
outputs from the amplifier, although the amplifier is still receiving power.
d
Remote standby connector — Connecting pin 2 to ground (pin 1) places the
amplifier in standby mode. Standby mode turns off all outputs, although the amplifier
is still receiving power.
NOTE:
Use the included 2-pin, 3.5 mm captive screw connector to jumper the pins.
To Contact Closure Port
on Control Device
e
Limiter/Protect indicator LEDs (channels 1, 2, 3, and 4) — These LEDs
(representing output channels 1, 2, 3, and 4) light red under four circumstances:
•
When audio clipping occurs, the LED of the corresponding channel blinks once
per clip occurrence.
•
When the amplifier overheats, both LEDs are lit. The LEDs are not lit after the
amplifier cools down and recovers from the overheated condition.
•
When DC output is detected, the amplifier is malfunctioning and the LED for
the corresponding channel is lit. When a malfunction occurs, power down the
amplifier and power it back up. If the LED still remains lit, the amplifier requires
servicing.
•
When the output leads are shorted, the LED of the corresponding channel is lit
until the short is removed.
f
Signal indicator LEDs (channels 1, 2, 3 and 4) — These LEDs (representing input
channels 1, 2, 3 and 4) light green only when an input signal is detected on the
corresponding channel.
5
LEVEL
REMOTE
LIMITER/
N15779
PROTECT
1
2
3
4
1
2
3
4
10
10
10
10
12
8
12
8
12
8
12
14
6
14
6
14
6
14
GREEN - ACTIVE
18
4
4
4
AMBER - STANDBY
26
2
2
2
0
0
0
SIGNAL
3
4
6
7
The amplifier automatically enters standby mode after 25 minutes of
inactivity (+/- 5 minutes).
XTRA Full Rack Power Amplifier Series • Operation
CLASS 2 WIRING
INPUTS
BRIDGE
OUTPUTS
MODE
BRIDGE A
A
B
1
2
3
4
1
2
ON
8
(BRIDGE A)
(BRIDGE B)
6
4
2
0
OFF
(
)
8
/
4
8
BRIDGE 8 ONLY
8
12
11
STANDBY
XPA 2004
BRIDGE B
3
4
(
)
/
4
BRIDGE 8 ONLY
10
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- Application Examples
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