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AC Voltage Selection
115v / 230v AC Voltage Selector Switch
This switch is found on the underside of the chassis. Make sure the 115/230V switch is set for the
correct AC line (mains) voltage before you plug in the JC 3’s AC power cord.
Note: The JC 3 could be seriously damaged if AC Voltage Selector switch is set
incorrectly.
Prior to plugging your JC 3 into an AC power source, check the position of the 115v/230v
switch on the JC 3’s chassis bottom and do not depend on the 115v or 230v markings on
the carton.
The 115V setting is correct for North America where the JC 3 can operate safely with AC line
voltages between 110-120v. Most other countries will require the switch to be set to 230V. With
the 230V setting the JC 3 can operate safely with AC line voltages between 220V-240V.
Always turn off your JC 3 and disconnect its the AC cord before making or changing
any input, output or trigger wire connections. Inserting or removing an input or output cable
while the JC 3 and your preamp and power amplifiers are turned on can result in a blast of sound
that can damage your loudspeakers. Make sure there is no strain or tension on any cables that
could cause them to pull loose.