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Page 4 Model PA1235X
© 2002 Xantech Corporation.
Remote Master ON/OFF Jack. This jack allows the PA1235X to be powered on and off by a positive DC voltage
ranging between 4 and 30 volts (11mA @ 12 V). Specifically, it permits the 12-volt common CO (Control Output)
or zone STATUS outputs from the Xantech ZPR68 to power one or more PA1235X's ON and OFF automatically
with zone ON/OFF commands.
PA1235X PANEL AND FEATURE DESCRIPTIONS
PA1235X
12 CHANNEL POWER AMPLIFIER
123456
POWER
123456
4
2 2
3
1
Figure 2 – The Model PA1235X Front Panel – Features and Functions
1. Front Panel. 19" X 5 ¼” panel designed for mounting into a standard 19" Rack Panel.
2. Rack Panel Handles.
3. Power Switch. When pressed to the IN position, power is applied to the PA1235X [provided the rear panel
master AC LINE ON/OFF Switch, item #13, is placed in the ON (I) position]. This is the MANUAL ON
position. When pressed again, it releases to the OUT position (MANUAL OFF), turning the unit OFF.
In addition, this switch must be left in the MANUAL OFF (OUT) position to permit an external DC Control
Voltage to power the PA1235X ON and OFF. Refer to "REMOTE MASTER ON/OFF CONTROL" terminals,
item #10.
NOTE: The PA1235X may also be powered ON/OFF with an external AC line switch into which the power
cord of the PA1235X is plugged (such as the switched AC outlet of a preamp, timer, etc. with a 15 Amp
rating). For this type of operation, leave the POWER switch depressed to the MANUAL ON position.
4. Status LED Indicators. These indicators, one for each channel pair, provide the following status information:
They are off during normal operation.
If the amplifier is driven into distortion or clipping, they will indicate with a red color.