TeachLogic Spectrum II User Manual page 13

Installation of Speakers
The Spectrum can accommodate up to eight (8 ) speakers. Normally, four speakers
will be adequate to distribute the sound evenly throughout a normal classroom of
approximately 2500 sq. ft.
When installing ceiling speakers in a dropped ceiling, layout the speakers
equidistant above the listening area.
Installing the SP–628 Ceiling Speaker
• After cleaning hands, remove the tile bridge from ceiling grid
• Lay ceiling tile face down on clean flat surface
• Center the large hole of the tile bridge on the ceiling tile
• Trace and then cut the circle in the tile using a keyhole or drywall saw
• While the ceiling tile is removed, place the speaker cable in ceiling
plenum and advance the roll to the next speaker location while holding
the end to be connected to the speaker
• Remove the speaker grille using a pointed tool to lift out of trim ring
• Insert speaker into ceiling tile and place tile bridge over speaker
• With tile bridge in place, tighten the three quick clamps to snug
• Connect speaker wire to speaker; Wire inscribed "TeachLogic" is
designated as the "Positive" lead. It is important to observe speaker
polarity to maintain proper phasing between speakers and amplifier.
• Reinstall ceiling tile and speaker grille.
• Remove any soil and fingerprints
• Repeat the process for each speaker while routing the individual speaker
cables toward location of the Spectrum amplifier
Installing the SP-2000 Wall Mount Speakers
• First observe: shape of the room, ceiling height, door locations, windows,
mounting surfaces and seating area. In a rectangular or square room, you
would try to locate the front two speakers (one on each side)
approximately even with the front row listeners. Locate the other pair
approximately mid-way to the rear of the listening area.
• Mount the speakers at least 6 feet above the floor.
appropriate fastener, mount the speaker brackets on the wall in vertical
orientation.
• Mount the speakers in the brackets and direct them toward the center
and pointed mid way toward the rear.
• Connect the speaker wires, observing the lead with Teachlogic imprinted is
the positive polarity.
• Routed the speaker wires to the Spectrum amplifier, observing safe and
protective enclosure.
• Remove any soil, fingerprints and debris.
Using the most