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CHAPTER 1: INTRODUCTION
HOW TO USE THIS MANUAL
Make sure to read these instructions in their entirety before
configuring a Meyer Sound MPS-482HP. In particular, pay
close attention to material related to safety issues.
As you read these instructions, you will encounter the fol-
lowing icons for notes, tips, and cautions:
NOTE:
A note identifies an important or useful
piece of information relating to the topic under
discussion.
A tip offers a helpful tip relevant to the topic at
TIP:
hand.
CAUTION:
A caution gives notice that an
action may have serious consequences and
could cause harm to equipment or personnel, or
could cause delays or other problems.
Information and specifications are subject to change.
Updates and supplementary information are available at
www.meyersound.com.
Meyer Sound Technical Support is available at:
Tel: +1 510 486.1166
•
Tel: +1 510 486.0657 (after hours support)
•
Web:
www.meyersound.com/support
•
MPS-482HP EXTERNAL POWER SUPPLY
The two-channel MPS-482HP IntelligentDC power supply
delivers 48 V DC and balanced audio to Meyer Sound
loudspeakers that require an external DC power supply.
MPS-482HP External Power Supply
Designed to use with any Meyer Sound loudspeaker that
features IntelligentDC technology, the half-space rack-
mount MPS-482HP is particularly advantageous when
creating 2-channel systems with compact loudspeakers,
such as the MM-4XP, MM-10XP, UP-4XP, and UP-4slim.
Additionally, it can power up to 6 Ashby-5C or 4 Ashby-8C
ceiling loudspeakers and is also ideal for powering
surrounds in immersive configurations.
CAUTION:
Only connect to 48 V DC
Meyer Sound Powered Speakers. See the
labeling on the bottom of the unit for a list of
compatible speakers.
Meyer Sound's externally powered loudspeakers include
on-board amplification and signal-processing circuits that
store DC power and tolerate voltage drops (up to 30
percent) to accommodating light-gauge cables and lengthy
cable runs. Powering loudspeakers from an external source
eliminates the need for wiring conduits while still preserving
the advantages of self-powered systems.
The MPS-482HP receives two channels of balanced audio
from its two XLR 3-pin female input connectors or one 6-pin
Phoenix™ connector and routes the audio, along with DC
power, to its two Phoenix 5-pin male output connectors.
Front panel user-replaceable fuses protect the
MPS-482HP's two channel outputs from short circuits and
wiring errors. The rear panel features a toggle switch that
routes the signal from channel 1 to channel 2. This linking
capability is convenient for sending the same signal to both
outputs without the need for additional cabling.
Outputs can deliver DC power to loudspeakers at cable
lengths up to 150 feet or 300 feet (depending on the
loudspeaker model) with just 1 dB of loss in peak SPL using
18 AWG wire. The use of composite multiconductor cables
(such as Belden
®
1502) allows a single cable to carry both
audio and DC power from the MPS-482HP to the
loudspeakers. Longer cable lengths are possible for
moderate applications that don't drive the loudspeakers to
maximum output, as well as for installations with heavier
gauge wires.
MPS-482HP Model Rear Panel
MPS-482HP OPERATING INSTRUCTIONS
9
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