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Connecting your JC 3
Always disconnect the AC cords to your JC 3 and power amplifier(s) before making or
changing any input, output or trigger wire connections. Inserting or removing an input or
output cable while the JC 3 or 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.
Audio Input Connections
Connect your turntable’s signal cables to the Input jacks on the JC 3. It is a good idea to
treat the turntable cable’s RCA plugs with Deoxit (http://www.deoxit.com/) to remove any
oxidation on them. The turntable’s ground wire attaches to the JC 3 Ground terminal that is
located between the two channel inputs and outputs.
Important Note: Turntables and phono preamps are very sensitive to electromagnetic fields
that can cause audible hum. To minimize hum follow these guidelines:
• Place your turntable as far as possible from power amplifiers or power line conditioners.
• Run your turntable signal cables as far as possible from power amplifiers or power line
conditioners.
• Do not run the turntable signal cables parallel with any AC cords.
• Wherever the turntable signal cord must cross AC wires they should cross at a 90
o
right
angle.
• It might be necessary for you to experiment with the exact positioning of the turntable
signal cables to minimize hum.