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Model MX88 Page: 23
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1. If the "+" (positive) and "–" (negative) terminals on your speakers are correctly marked, and visible, and you
have wired the system with the positive speaker connector on the rear of the MX88 Controller/Amplifier
connected to the positive connector on the speaker and the negative speaker connector on the rear of the
MX88 Controller/Amplifier connected to the negative connector on the speaker, then the system will be "in
phase". No further action is required. Most manufacturers identify the positive terminal with a red binding
post, a "+" sign, or a red dot.
2. If you are unsure of the markings, you can verify that the two speakers are connected in phase. Using a
mono sound source, such as AM radio, alternately reverse the leads to one of the speakers. Pick the
connection that delivers a solid center image between the speakers as well as best bass response.
CAUTION: After lead ends are inserted and the screws tightened down, be sure there are no free strands
that could cause a short!
VIDEO CONNECTIONS – MX88VI ONLY
Composite Video
The buffered, composite video output from the MX88vi Controller/Amplifier will drive a VIDEO INPUT on a
TV or monitor directly. Use RG6 coaxial or RG59 quad-shield cable with RCA-type phono plugs on each
end. This connection can be run for 100 feet.