(ML) Catalogue 2016-2017
(ML) Catalogue Classic

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Powered processor. PLM6800 is an innovative "powered loudspeaker controller": the combination of a versatile DSP loudspeaker management controller with 4 class-D power amplifiers, each one delivering up to 1700 W @ 4 Ω, whilst guaranteeing a very high efficiency.

The DSP controller (2 inputs / 4 outputs) drives the internal power amplifiers providing all the signal processing functions required for the management, configuration and installation of any type of speaker system, ranging from complex PalcoPLUS by Montarbo® line-arrays to simple one-way or two-way passive systems, even in combination with a subwoofer. The 24-bit Σ-Δ A/D and D/A converters guarantee the maximum audio quality and the powerful 56-bit DSP manages all the signal processing functions on the 4 output channels: limiter, crossover filters, delay and equalization.
A large LCD display permit to verify all the system's functions, whilst the intuitive control panel allows the selection of the operating preset and the direct control of gain, level, delay and mute of the 4 outputs. The RAConPLM™ software program, supplied with the optional LD2.4 USB interface, allows for remote control, with a Personal Computer, of a network of up to 8 PLM6800.

The factory default presets may be modified and new 'custom' presets may be 'built', thanks to the complete programmability of the controller's functions:
- PLM6800 incorporates an 'intelligent wiring' system, which provides input and output routing and connector switching (both line in/out and power out) according to the operating configuration selected in the processor.
The rear panel is fitted with six Speakon® output connectors (two 8-pole and four 4-pole), allowing for rapid cabling of the PalcoPlus components, and also permitting the connection of four full-range or one-way cabinets. This multiple output wiring, which would otherwise seem risky to the speakers if erroneously wired, is made quite safe by the DSP section, which uses internal relays to connect only the correct contacts of the connectors appropriate to the selected preset, disconnecting the unnecessary and otherwise potentially dangerous connections. This same 'intelligent wiring' concept is applied to the four XLR3 line output connectors. These outputs can be set to operate as input links or as processed outputs, thereby facilitating the wiring of multiple systems, and systems combining the PLM6800 with traditional, unprocessed amplifiers.
- The mains power connectors are Neutrik PowerCon®, guaranteeing resistance against vibrations and accidental disconnections.
- PLM6800 features three separate power supplies, one for the DSP controller section and one for each pair of power amplifiers.
The state-of-the-art power amps are fitted with a full suite of protection circuits to safeguard the amps as well as the connected speaker enclosures. The switched-mode power supplies, with power-factor correction, can operate on mains voltages from 85 to 270 V AC (50/60 Hz).
- PLM6800 is built with heavy-duty, road-ready materials, and features a laser-etched front panel, built from aluminum and stainless steel, which will stand forever against scratches and abrasions. The small (two units) height, the front-to-back cooling system (which allow to install the amplifiers in racks without leaving empty spaces for cooling) and the reduced weight make it possible to assemble small and lightweight amplifiers racks, thus simplifying transportation and installation.
- Two RJ45 connectors provide RS485FD serial interfaces on two RJ45 Ethercon® connectors, for network control using the RAConPLM™ software.


8U 19" Rack flight-case.
For 4 pcs of 2U power Amp.


Cardiod bass-horn, designed to extend the frequency range of the PalcoPlus system down to 30 Hz. This innovative sub-bass...[+]


Two-way, line-source element.
This compact enclosure offers 1000 W of applicable continuous power per unit, in a...[+]


Stage monitor, the perfect answer to the requirements of extreme quality and reproduction fidelity for use in theatres...[+]

MOL1818 SubOne

Band-pass horn loaded subwoofer.
Designed for live music performed in medium to large venues where the main requirements...[+]


This compact, USB-powered interface permits the control and monitoring of up to eight LM24 processors (or PLM6800), using...[+]


Set of Speakon® power-out cable to connect 8 RA16 & 4 RAB1815
4 pcs 4-pole 15 m length
4 pcs 8-pole 10 m...[+]


Set of Speakon® power-out cable to connect 4 RA16 & 2 RAB1815 :
2 pcs 4-pole 15 m length
2 pcs 8-pole 10...[+]


Powered processor. PLM3000 is an innovative 'powered loudspeaker controller', designed to be used in a wide range of applications.



Prolight+Sound is one of the most important shows for Pro Audio and Montarbo will be exhibiting, Hall 3.1 B40,...[+]

Montarbo at the Winter Namm Show 2017
Montarbo at the Winter Namm Show 2017[+]
Montarbo was part of Hard Summer Music Festival 2016.
Hard festival took place last 30th-31st of July. This year the concert debuted at Auto Club Speedway of Fontana in California.[+]
Montarbo Sound & Urban Street Art
Some of the most experienced live pro installers have been involved by the sound of our sub and satellites.[+]