Installation; Speaker Wiring; Constant Voltage (70V) Speaker System - Monoprice 44884 User Manual

Indoor/outdoor weather-resistant speaker
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INSTALLATION

This unit is IP65-rated, so it is protected against dust and low-pressure water contact. To get the longest
life out of this speaker, it is still important to mount it where it can be best protected from the long-term
effects of the outdoors. Choose places that are free of direct water runoff, such as under eaves and
overhangs for the best protection. Avoid mounting it where it faces the sun directly, as direct UV light on
the speaker driver's face can cause premature wear.
NOTE: This unit is water-resistant, not water-proof. Do not mount it underwater. This speaker is also
heavy and should not be mounted directly to drywall, lath, and plaster walls unless there is a
stud/supporting material behind it, where the mounting screws can penetrate deep enough for proper
support.

SPEAKER WIRING

To wire your system, please use a good-quality, speaker-grade audio cable with polarization coding
(usually identified with a marking on the cable) as per the gauge recommendation found below. The side
of the cable that has the coding (a ridge, or "+" marking) usually denotes a positive polarity.
If installing the speakers outdoors, make sure to use an outdoor-rated speaker wire. Also, make sure to
use the proper gauge wire to match the distance you need to run the wire. For distances under 25 feet,
an 18-gauge speaker wire is acceptable. For distances of 25 feet to 50 feet, increase the wire size to 16
gauges. For distances greater than 50 feet, be sure to use at least a 14-gauge or greater speaker wire.

CONSTANT VOLTAGE (70V) SPEAKER SYSTEM

These wiring instructions assume the use of a 70V constant voltage amplifier. Before making each
speaker wire connection, strip about ¼" insulation from the end of each conductor, then twist the
strands to prevent stray strands from causing a short.
1.
Power off, unplug all equipment to be connected, and identify the speaker number of your array.
2. Determine the amplifier's RMS (not peak) output power, then multiply by 0.8. This is the Maximum
Wattage Value (MWV) for each speaker array. (If the amplifier's RMS output power is 100W, the
MWV of each array is 80W. That is 100W x 0.8 = 80W)
3. Divide the MWV of each speaker array by the number of speakers to determine the Maximum
Wattage Setting (MWS) for each speaker. (If the MWV of each speaker array is 80W and each array
has 5 speakers, the MWS for each speaker is 16W. That is 80W ÷ 5 = 16W)
4. Turn the tap dial at the speaker's back to a wattage value that is less than the calculated MWS for
each speaker in Step 3.
5

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