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INTEGRATED AMPLIFIER AND PROCESSING
As a self-powered loudspeaker, MILO 120 incorporates a
very high power, 4-channel, class AB/H power amplifier and
sophisticated control circuitry — all housed within the cabi-
net — dramatically simplifying setup and installation.
MILO 120's on-board amplifier delivers 3560 watts total
burst power. TruPower
limiting (see Chapter 3 for more
®
information) extends the life of the drivers under severe
non-linear circumstances at very high levels, and keeps
long-term power compression to less than 1 dB (versus the
typical 3 to 6 dB for conventional systems).
This modular, field-replaceable amplifier/processing pack-
age also incorporates Meyer Sound's Intelligent AC
supply, which automatically adjusts for any line voltage
worldwide and provides both soft turn-on and transient
protection. The MILO 120 loudspeaker is fitted standard
with Meyer Sound's exclusive RMS™ interface, giving you
the capability to monitor and troubleshoot an entire RMS-
equipped Meyer Sound system remotely from your PC
notebook or desktop system.
NOTE:
In order to use RMS, you will need
Meyer Sound's optional RMS software and a
PC running Windows® 98/NT 4.0/2000/XP or higher.
The optional RMS host card is also required, and
is available as a full-size (standard) PCI or Type II
PCMCIA card, depending on your PC's hardware.
ADVANCED M SERIES TECHNOLOGY
MILO 120 was created specifically as a modular, flexible
design solution to complement high-power systems in
medium to large venues. The MILO 120 loudspeaker is a
four-way design. The lowest frequency range, from 60 Hz to
about 180 Hz, is reproduced by dual 12-inch cone drivers
working in tandem, each powered by a dedicated amplifier
channel with 1125 watts of peak output. The drivers are
a proprietary design employing neodymium magnets for
higher efficiency and power handling with reduced weight.
To assure the smoothest response in the critical midrange
and crossover region, MILO 120 incorporates a complex
active crossover design. In the low-mid frequencies, the
crossover feeds only one of the two 12-inch drivers while
rolling off the other driver. This technique eliminates inter-
ference between the drivers that would otherwise occur at
shorter wavelengths, while at the same time maintaining
optimal polar and frequency response characteristics at the
crossover frequencies.
MILO 120 employs two REM™ ribbon emulation manifolds
for the separate mid-high and very-high frequency sections,
each coupled to individual 120-degree horizontal constant-
directivity horns. REM is a patented coupling device that
introduces driver output to the horn throat across a very
short path (3 inches for the mid-high section and 1.5 inches
for the very-high section), effectively controlling the output,
but with dramatically reduced distortion in comparison to
other techniques.
MILO 120's mid-high section (560 Hz to 4.2 kHz) uses a
single 1.5-inch exit, 4-inch diaphragm compression driver
powered by a dedicated 560-watt amplifier channel. The
very high-frequency section utilizes two highly efficient,
0.75-inch exit, 2-inch diaphragm compression drivers to
power
™
produce power and clarity, and extend operating frequency
range up to 18 kHz. Power for the very high-frequency sec-
tion is supplied by a dedicated 750-watt amplifier channel
with enough headroom to reproduce all the dynamics of the
upper frequency range.
NOTE:
specifications are covered in Appendix B.
TIP:
cal prediction software allows you to quickly
determine the coverage, frequency response,
impulse response and maximum output of arrayed
MILO/MILO 120 loudspeakers.
Complete acoustical and electrical
The Meyer Sound MAPP Online acousti-
CHAPTER 1
5
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