Martin Audio MLA Compact, Medium-format, numerically optimized multi-celled array Speaker The Martin Audio MLA Compact brings award-winning Multi-cellular Loudspeaker Array [MLA] technology to medium-scale touring and premium fixed installations ranging from musical theatres and concert halls to Houses of Worship and auditoriums. The Multi Cellular Revolution Every so often a new technology emerges that overtakes previous technologies — and in time replaces them. Just as line array took over from point-source clusters over 20 years ago, Martin Audio’s revolutionary award-winning Multi-cellular Loudspeaker Array [MLA] technology is reinventing the way loudspeaker arrays are configured and controlled delivering unsurpassed audience coverage and consistency without compromise to fidelity. Martin Audio MLA Compact brings this revolutionary technology to medium-scale touring and premium fixed installations ranging from musical theatres and concert halls to Houses of Worship and auditoriums. The versatile and scalable Martin Audio MLA Compact has received multiple awards for innovation and delivers performance, control, and coverage consistency that brings the sound engineer and audience together in a more powerful, involving experience. Advanced Sound Control Technology, that’s easy to use Some describe it as magic, but in its simplest terms, each MLA Compact array has up to 120 individual acoustic elements [cells], each with its own onboard amplifier and DSP, which can be optimized by software to deliver the sound across the audience to meet the sonic goals required for any space. MLA technology is the only technology on the market to allow multiple sonic goals to be prioritized and optimized accordingly. For example, not only can MLA Compact generate an even sound field over the audience, it can contain it as well — significantly reducing the influence of the room. Hard Avoid® areas ─ such as behind and below the array, ceilings, balcony edges, and beyond the venue perimeter ─ can also be programmed in. Vertical coverage can even be fine-tuned electronically in-situ to cope with changing environmental conditions and last-minute changes in rigging height, without having to re-rig. With incredibly easy-to-use and highly accurate predictive software [DISPLAY] doing all the grunt work with the system, the engineer retains full artistic control and can enjoy mixing the show in the full knowledge that the sound created at the mix position will be heard everywhere throughout the audience. Such is the confidence that MLA Compact can bring, that significantly less time is spent setting up the system and less time is spent walking the room to verify results. Audio Perfection MLA Compact’s ultimate accolade is its audio perfection. Pristine fidelity, vocal clarity, sonic impact, and high output capability brings the sound engineer and the audience together in a powerful, involving experience. Put simply, MLA Compact is a sound engineer’s delight. It is incredibly clean and transparent and responsive to the smallest EQ changes. With no large-format compression drivers to harden the sound, it presents the engineer with a neutral canvas whatever the artist or music genre. Noise Pollution Solution In reproducing sound for many venues and outdoor festivals, there is often a conundrum: how can audience sound levels be delivered at a sufficiently high level for an immersive and rewarding experience, while at the same time respecting surrounding areas and residents? In the past, sound levels for the audience have often had to be held down in order to safeguard surrounding areas, but this can leave audiences and the FOH engineer unhappy and threaten the ongoing viability of such events. MLA’s unique ability to control noise escape beyond the site perimeter, while maintaining pristine fidelity and high sound pressure levels for the audience, means that FOH engineers don’t have to constantly worry about sound levels. So they can focus on what they do best — mixing — translating to a better audience experience too. Martin Audio MLA Compact Main Features Numerically optimized, fully-integrated, compact touring sound system Cellular array format with built-in amplification, DSP, and digital networking 5 dedicated Class D amplifier channels per enclosure for individual powering and DSP control of individual cells Industry-leading DISPLAY2.2 intelligent software interacts with onboard DSP for highly accurate array optimization Eliminates trial-and-error array preset library approximations “Fly-by-wire” software adjusts vertical coverage electronically to cope with changing environmental conditions and last-minute changes in rigging height. “Hard-avoid” areas, such as on-stage, ceilings, and site perimeter, can be programmed in Switched-mode power supplies with PFC (Power Factor Correction) and global mains voltage operation The three-way design delivers LF/MF/HF peak SPL’s of 135/135/135dB @ 1m from a single, compact enclosure Fast, integral flying system for suspension of up to 24 enclosures True 100° (-6dB) horizontal constant directivity, mid and high-frequency pattern control. Consistent and usable out to 130° (-10dB) 65Hz–18kHz ± 3dB full-bandwidth frequency response Specification ACOUSTICAL TYPE Three-way cellular drive, active array element FREQUENCY RESPONSE (1) 65Hz-18kHz ± 3dB MAXIMUM SPL @ 1M LF: 129dB continuous, 135dB peak (3) MF: 129dB continuous, 135dB peak (4) HF: 129dB continuous, 135dB peak (4) DRIVERS LF 2 x10” (250mm)/2.5” (63mm) voice coil, long excursion, vented pole, neodymium magnet drivers, Hybrid® slot-horn loaded MF 2 x 5” (125mm)/1.5” (38mm) coil, neodymium magnet drivers, horn-loaded HF 4 x 0.7” (19mm) exit neodymium magnet compression drivers, horn-loaded RATED POWER (2) LF 500W AES, 2000W peak MF 180W AES, 720W peak HF 40W AES, 160W peak DISPERSION (-6dB) 100º horizontal (-10dB) 130º horizontal 10° vertical CROSSOVER FREQUENCIES 400Hz: 8th-order Linkwitz-Riley 4.25kHz: Vanishing Point™ FIR filters AUDIO INPUT CONNECTORS Female XLR input, male XLR link output ANALOGUE INPUT IMPEDANCE 20kΩ balanced to ground MAXIMUM ANALOGUE INPUT LEVEL 6.15Vrms (+18dBu), over-voltage protected NOMINAL SYSTEM GAIN 22dB AES/EBU IMPEDANCE 110Ω balanced, Receive and transmit termination NETWORK CONNECTORS 2x IP68 rated 8-way, quick-release type PROTOCOL U-NET AMPLIFIER MODULE TYPE Five channel Class D, fixed frequency PEAK OUTPUT POWER 4200W AVERAGE EFFICIENCY 78% COOLING 2 x temperature-controlled internal fans 1 x temperature-controlled external fan MAXIMUM AMBIENT TEMPERATURE 45°C (113°F) for full output POWER SUPPLY TYPE Switch mode, the fixed frequency with PFC AC INPUT OPERATING RANGE 100 – 240V ~ AC, 50 - 60Hz POWER FACTOR > 0.95 NOMINAL POWER CONSUMPTION 900W MAINS CONNECTOR 16A IEC309 (Ceeform) – IP44 rated(IP67 when mated with mains distribution equipment supplied with the system) GENERAL ENCLOSURE A vertical trapezoid with 5º wall angle, multi-laminate birch, and poplar-ply construction FINISH Textured black PU coating PROTECTIVE GRILLE Black HEX perforated steel FITTINGS Proprietary rigging system Bar handles on each side Protective rubber side-cheeks incorporating skids Weather protection cowl IP RATING IP 25 DIMENSIONS (W) 788mm x (H) 280mm x (D) 500mm (W) 31" x (H) 11" x (D) 19.7" WEIGHT 49.5kg (109lbs)
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