| The Meyer Sound MTS-4A contains four drivers, four amplifier
channels (2480W total peak output) and a four-way, phase corrected active
crossover network. Exceptionally rugged MS8xx Series cone drivers handle
low and mid-frequency reproduction, with each driver placed in its own
separate vented chamber for optimum response and higher combined output
levels. The control electronics are optimized to allow the MS812, 815
and 818 drivers to operate together over the critical 60Hz to 100Hz frequency
band. The combined driver output signals are kept fully in phase for increased
acoustic gain, resulting in more powerful bass and drum reproduction,
higher system headroom and extended driver life. The 4-inch diaphragm
MS-2010 HF compression driver extends high frequency response to 18kHz,
with phase response flat to 12kHz.
The Meyer Sound MTS-4A power supply utilizes Meyer Sound’s proprietary
Intelligent AC™ system, which provides automatic voltage selection,
EMI filtering, soft current turn-on, surge suppression and dual circuit
breakers. The dual-fan cooling system forces air over the heatsinks only,
not over the electronics, avoiding residue buildup that can shorten component
life.
All four amplifier channels operate class AB/H and employ complementary
power MOSFET output stages. For maximum driver protection and extended
component life, the amplifier modules incorporate TruPower™ limiter
technology. TruPower also allows higher SPL at all frequencies, increasing
available headroom and holding long-term power compression to less than
1dB (typically 3 - 6dB in conventional systems).
The MTS-4A is compatible with the RMS™ (Remote Monitoring System),
a PC-based system for monitoring key performance parameters as well as
controlling loudspeaker mute and solo functions.
A rear access panel facilitates easy servicing of the Meyer Sound MTS-4A
electronics. The entire amplifier/processing module can be removed and
replaced in the field within a few minutes.
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