Meyer Sound MM-4 Instructions d'exploitation télécharger pdf (Page 8)

CHAPTER 1: INTRODUCTION

MM-4XP loudspeaker systems require an MPS-488 external

power supply. The single-space 19-inch rack unit receives

eight channels of balanced audio from its XLR female inputs

and routes the audio, along with 48 V of DC power, to its

eight Channel Outputs. The outputs — equipped with either

Phoenix 5-pin male connectors on the MPS-488

P model, or

EN3 5-pin female connectors on the MPS-488

E model —

can deliver DC power to the MM-4XP loudspeakers at cable

lengths of up to 300 feet 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 to the MM-4XP. Longer cable

lengths are possible for moderate applications that don't

drive the loudspeakers to maximum output, or for installa-

tions with heavier wire gauges.

The MPS-488 front panel has two LEDs per output channel

that provide useful feedback on the status of the system.

The Voltage LEDs indicate when voltage is present for each

output channel. The Load Current LEDs indicate when a

loudspeaker is connected to an output and glow brighter as

the signal level increases.

The MM-4XP’s extruded aluminum enclosure acts as a heat

sink to dissipate heat from the driver's voice coil. The enclo-

sure is available in standard white or black anodized finishes

with a perforated steel grille. It can also be custom painted

to match specific color schemes. The MUB-MM4XP U-

bracket mounts the loudspeaker on walls and ceilings at

adjustable angles. The U-bracket is also available in stan-

dard white or black anodized finishes and custom colors.

MPS-488P Power Supply

MM-4XP Loudspeaker Mounted with MUB-MM4XP U-Bracket

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Meyer Sound MM-4 Instructions d'exploitation Page 8