The self-powered M3D features Meyer Sound’s state-of-the-art
BroadbandQ technology. BroadbandQ marries a new high-frequency
manifold system with proprietary, award-winning directional
low-frequency technology to precisely control vertical and
horizontal coverage between 35 Hz and 18 kHz. The result
is truly optimized line array behavior, affording performance
that is superior to conventional line array systems.
At high frequencies, Meyer Sound's patented REM ribbon
emulation manifold feeds a constant-directivity horn from
two Meyer Sound compression drivers. REM controls the drivers’ output
and introduces it to the horn throat within a 3-inch path
length, dramatically minimizing distortion. The M3D horn
design produces a coherent wave front that is characteristic
of — but much more powerful than — a large ribbon
driver. Vertical coverage is restricted to approximately
10 degrees and interaction minimized, yet distortion remains
extremely low.
At the lowest frequencies, two front-facing, long-excursion
15-inch drivers combine to reproduce powerful, coherent bass.
A proprietary system of rear-facing low drivers, separately
driven by a complex phase manipulation circuit, generates
a wave front that interacts with that produced by the front-facing
low drivers, affording directional low-frequency output to
35 Hz with a 90-degree polar pattern and 25 dB reduction
in sound level behind the cabinet. In the mid frequencies,
the integral crossover feeds only one of the two front drivers,
eliminating interference that would occur at shorter wavelengths,
and maintaining optimal polar and frequency response characteristics.
