Meyer Sound M2D - Manual

The M2D's low-mid section comprises two
Meyer Sound 10-inch cone drivers with
lightweight neodymium magnet assemblies
housed in a compact, vented trapezoidal
enclosure. The M2D enclosure is construct-
ed of multi-ply hardwood and coated with
a textured black finish. Integral metal grilles
protect the drivers. A weather-protected
version with custom rain hood to protect
the electronics is optionally available.
To assure the smoothest response in the
midrange, the M2D incorporates a complex
crossover design; at the lowest frequencies,
both 10-inch drivers combine to reproduce
powerful, coherent bass, while in the mid
frequencies the crossover feeds only one of
the two drivers. This technique eliminates
interference between the drivers that would
otherwise occur at shorter wavelengths,
and maintains optimal polar and frequency
response characteristics.
The self-powered, biamplified M2D incor-
porates a complementary MOSFET power
amplifier with 700 watts burst capabil-
ity, together with active crossover and
optimized frequency and phase response
correction circuitry. Its Intelligent AC™
system performs automatic voltage selec-
The M2D™ compact curvilinear array loud-
speaker brings numerous advantages to
mid-sized venues that require tight verti-
cal pattern control with medium-to-long
throw. Its operating frequency range is 60
Hz to 16 kHz, with maximum peak output of
136 dB SPL (each cabinet) at 1 meter.
The M2D is designed for implementing ver-
tical curvilinear arrays of up to 16 cabinets
with 1- to 7-degree splay between adjacent
units. For maximum leeway in configuring
systems, the M2D is fully compatible with
other M Series models and many Concert
Series and UltraSeries™ loudspeakers.
The M2D uses Meyer Sound’s patented
REM™ ribbon emulation manifold to couple
a single Meyer Sound 4-inch diaphragm
(1.5-inch exit) compression driver to a 90-
degree horn with constant-directivity hori-
zontal coverage. REM controls the output of
the compression driver and introduces it to
the horn throat within a 3-inch path length,
dramatically reducing distortion. The unique
M2D horn design produces a coherent wave
front that is characteristic of – but much
more powerful than – a large ribbon driver.
(Vertical coverage depends upon array
length and curvature.)
Extremely high power-to-size ratio
Ideal system for mid-sized applications, or
as downfill in larger venues
Optimized line array behavior provides
consistent response over long throws
features & benefits
Multiple vertical line arrays may be
splayed horizontally to broaden coverage
Self-powered for simplified setup and
increased reliability
Seamless integration with other M Series
models
M2D : Compact Curvilinear Array Loudspeaker
DATASHEET
tion, allowing the unit to accommodate
mains voltages in the range of 90 to
265 V AC at 50 or 60 Hz and additionally
provides EMI filtering, soft current turn-on
and surge suppression. Integral peak and
rms limiters protect the loudspeaker com-
ponents from over-excursion and over-
heating. Phase-corrected active processing
circuits help maintain excellent performance
and reliability, and the high common-mode
rejection of the laser-trimmed differential
input permits long signal runs through a
simple shielded twisted pair cable.
QuickFly ® rigging, fitted as standard,
employs entirely captive hardware and
allows flying up to 16 cabinets with a 7:1
safety factor. The optional MG-2D multipur-
pose grid allows loudspeakers to be flown
or ground stacked. The M2D features Meyer
Sound’s RMS™ remote monitoring system,
which allows the full range of operating
parameters to be monitored continuously
over a network using a Windows computer.
The companion M2D-Sub compact sub-
woofer is also available to provide low-
frequency enhancement and extend overall
system power bandwidth and frequency
response to 30 Hz.
applications
Concert halls, nightclubs and houses of
worship
Theatrical sound reinforcement
Portable and installed audio-visual
systems
M SERIES