Martin Audio

Martin Audio MLX

Hybrid® Horn/Reflex

2 x 18” Subwoofer for MLA

The MLX is a very high performance subwoofer with onboard amplification, DSP and networking. Capable of more than 150dB peak output at 1m, it is the ultimate subwoofer for large scale tours, festivals and installations.

MLX
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Technical Specifications

ACOUSTICAL
Type
Hybrid® horn/reflex subwoofer
Frequency Response
35Hz-150Hz ± 3dB
Maximum SPL
LF: 140dB continuous, 150dB peak
DRIVERS
LF
3000W AES, 12000W peak
DISPERSION
Digitally controlled in an array
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
AES/EBU Impedance
110Ohms balanced, Receive and transmit termination
NETWORK
Connectors.
IP68rated 8-way, quick-release type
Protocol
U-NET
AMPLIFIER MODULE
Type:
Single channel Class D, fixed frequency
Peak Output Power
8500W
Average Efficiency
85%
Cooling
2 x temperature controlled internal fans, 1 x low-speed internal blower, 1 x temperature controlled external fan
Maximum Ambient Temperature
45°C (113°F) for full output
POWER SUPPLY
Type.
Switch mode, fixed frequency with PFC
AC Input Operating Range
100 – 240V ~ AC, 50 - 60Hz
Power Factor
> 0.95
Nominal Power Consumption
600W
Mains Connector
16A IEC309 (Ceeform)
GENERAL
Enclosure
Extensively braced, multi-laminate birch-ply
Finish
Textured black PU coating
Protective Grille
Black HEX perforated steel
Fittings
Proprietary rigging system, Protective rubber side-cheeks incorporating skids, Wheel-board, Transit cover, Weather protection cowl
IP Rating
IP 24
Dimensions (inc. wheel-board)
(W) 1126mm x (H) 607mm (607mm) x (D) 1027mm (1200mm), (W) 44.4in x (H) 23.9in (23.9in) x (D) 47.2in
Weight (ex. wheel-board)
160kg (352lbs)
Accessories
Flying frame (including clinometer), Flying Pin, Mains distribution system, Tour-grade network interconnects, DX4.0/U-NET Hub

Class-leading output levels are achieved by combining Hybrid® horn/reflex loading with IPAL driver and amplifier technology. Hybrid loading of two ultra-long excursion 18” (460mm) neodymium magnet drivers perfectly balances low frequency extension with astounding chest-thumping bass that has a physical impact.

MLX enclosures are designed to be flown or ground-stacked and a combination of forward and rear facing enclosures can be configured as a directional subwoofer array with specific directional properties, including cardioid. Audio settings for the MLX can be controlled either cabinet-by-cabinet or as complete arrays via the VU-NET™ network, with its intuitive graphical interface. Symmetrical rigging enables MLX’s to face backwards in flown arrays.

MLX’s onboard Class D amplifier delivers a total peak output of 8500W. Its lightweight power supply auto-ranges to global mains voltages from 100 to 240V 50/60Hz and Power Factor Correction ensures stable performance independent of mains fluctuations, as well as reducing demands on the mains supply. The amplifier, power supply and control electronics are housed in a field-replaceable, fan-cooled module that is designed to withstand the varied environmental conditions — such as rain and high ambient temperatures — typically found in live sound applications.

The MLX enclosure is constructed from multi-laminate birch plywood and finished in a hard-wearing, textured black polyurea coating. A rigid perforated steel grille protects the front of the enclosure, while rubber cheeks protect the sides. Interlocking skids protect the top and bottom surfaces and prevent movement when stacked.

Up to 15 MLX’s can be flown from an MLA system flybar.

  • Ultra-high output subwoofer with onboard Class D amplification. DSP and networking
  • Hybrid horn/reflex loading for maximum acoustic efficiency and low frequency extension
  • Dual ultra-long excursion 18” (460mm)/4.5” (115mm) voice coil neodymium drivers
  • Switched mode power supply with PFC (Power Factor Correction) and global mains voltage operation
  • Forward or rear-facing operation
  • Designed to meet IP24 environmental rating

ACOUSTICAL
TypeHybrid® horn/reflex subwoofer
Frequency Response35Hz-150Hz ± 3dB
Maximum SPLLF: 140dB continuous, 150dB peak
DRIVERS
LF3000W AES, 12000W peak
DISPERSIONDigitally controlled in an array
AUDIO INPUT
ConnectorsFemale XLR input, male XLR link output
Analogue Input Impedance20kΩ balanced to ground
Maximum Analogue Input Level6.15Vrms (+18dBu), over voltage protected
AES/EBU Impedance110Ohms balanced, Receive and transmit termination
NETWORK
Connectors.IP68rated 8-way, quick-release type
ProtocolU-NET
AMPLIFIER MODULE
Type:Single channel Class D, fixed frequency
Peak Output Power8500W
Average Efficiency85%
Cooling2 x temperature controlled internal fans, 1 x low-speed internal blower, 1 x temperature controlled external fan
Maximum Ambient Temperature45°C (113°F) for full output
POWER SUPPLY
Type.Switch mode, fixed frequency with PFC
AC Input Operating Range100 – 240V ~ AC, 50 - 60Hz
Power Factor> 0.95
Nominal Power Consumption600W
Mains Connector16A IEC309 (Ceeform)
GENERAL
EnclosureExtensively braced, multi-laminate birch-ply
FinishTextured black PU coating
Protective GrilleBlack HEX perforated steel
FittingsProprietary rigging system, Protective rubber side-cheeks incorporating skids, Wheel-board, Transit cover, Weather protection cowl
IP RatingIP 24
Dimensions (inc. wheel-board) (W) 1126mm x (H) 607mm (607mm) x (D) 1027mm (1200mm), (W) 44.4in x (H) 23.9in (23.9in) x (D) 47.2in
Weight (ex. wheel-board)160kg (352lbs)
AccessoriesFlying frame (including clinometer), Flying Pin, Mains distribution system, Tour-grade network interconnects, DX4.0/U-NET Hub

About Penguin Media Solutions

Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.

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