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i High pass filter toggle switch — Use a small screwdriver to toggle this recessed
two-position toggle switch that alternates between Off (no filtering) and 80 Hz. The
XPA 2002-70V and XPA 2002-100V have 2 switches, one for each output channel.
The XPA 2003C-70V and XPA 2003C-100V have one switch for the line distribution
output channel (channel 3). Setting the switch to 80 Hz prevents the saturation of
the speaker input transformers by low frequency signals. Saturation may result in
undesired overheating of the speaker transformers.
80 Hz
OFF
CH 2
80 Hz
OFF
CH 1
HPF
80 Hz
OFF
CH 3
HPF
XPA 2002-70V
XPA 2002-100V
XPA 2003C-70V
XPA 2003C-100V
NOTE: It is recommended that the high pass filter be left in the On position
unless filtering is applied to the signal upstream of the amplifier.
j Mono audio output connector — Marked “+” and “-”, wire the included 2-pole,
5 mm screw lock captive screw connector for mono audio. See steps 1 and 2 on
the following page. Output is designed to power 70 V (XPA 2002-70V and XPA
2003C-70V) or 100 V (XPA 2002-100V and XPA 2003C-100V) line distribution
systems and is rated at 200 watts.
NOTE: You must use Class 2 wiring for this output to comply with UL
requirements.
XPA 2003C-70V
XPA 2002-70V
2
70V
1
OUTPUTS
3
70V
OUTPUTS
XPA 2003C-100V
XPA 2002-100V
2
100V
1
OUTPUTS
3
100V
OUTPUTS
CAUTION: Do not short out the “+” and “-” connectors with each other or
to ground; doing so will short the outputs and may damage the
amplifier.
XTRA Full Rack Power Amplier Series • Operation 12