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M22A 2-way bi-amplified active stage monitor Optimum performance requires first and foremost excellent monitoring. Accurate voice reproduction and maximum coherence of the acoustic image are indispensable to give one’s best. Designed to meet the most demanding requirements in professional applications, model M22A high-performance self-powered, bi-amplified stage monitor provides high sound pressure level with maximum SYSTEM’S ARCHITECTURE FEATURES The combination of a 10”neodimium magnet woofer and a 1” compression • High sound pressure level with maximum definition, absolutely flat driver (polyimide diaphragm) coupled to a Montarbo designed constant frequency and phase responses. directivity horn (90°H x 70°V) can generate an incredible high SPL. • Low susceptibility to feedback. Excellent intelligibility, no distortion The horn may be rotated 90° to reduce the horizontal dispersion and limit or coloration. feedback into nearby microphones. • The sound pressure that a M22A is able to generate, as well as its sonic accuracy, are absolutely unusual in conventional stage monitors • The built-in electronics includes: of this size. - 2, class AB, Mosfet amplifiers, each one fitted with our exclusive • The dual angle cabinet’s profile of M22A allows for maximum loudspeaker protections and a soft-start circuit to reduce the peak current setup flexibility and helps in optimizing listening, from short drain at switch-on. The two on-board power amplifiers deliver a total output or long distances. power of 300 W divided into 200 W for the bass section and 100 W for the • 2 class AB Mosfet amplifiers eliver a total output power of 300 Watts mid/high section. (LF 200 W, HF 100 W). - 2 active dynamic processors, optimize the specific features of each • 127 dB max SPL. component and provide direct control of the operation of the systems, • 10” neodymium magnet high-efficiency woofer with 2.5” voice coil. ensuring a constantly flat frequency response. They feature independent • 1” compression driver with 2” voice coil. time constants (and operating thresholds that are sensitive to line voltage) • 90° x 70° constant directivity horn (Montarbo design). and limit any excessive voice coil movement under the most demanding • The horn may be rotated 90° for reducing the horizontal coverage operating conditions. and limiting feedback into nearby microphones. - a high slope active electronic crossover (24dB/oct. Linkwitz-Riley) • Design and construction conform to the highest professional guaranteeing phase coherency and perfect overlapping of acoustic emissions standards for maximum reliability and durability: strong and sturdy for the transducers in the crossover region. cabinet with highly resistant polyurethane paint finish and steel MUSIC - DATA SHEET definition and absolutely flat frequency and phase response. protection grid; low turbulence tuning ports;all controls and connections are conveniently placed on one side of the cabinet for increased ease of use; an ergonomically designed handle, balanced to the box’s centre of gravity, make transport easier. APPLICATIONS • Suitable whenever an high level stage monitoring is required. The contents of this publication are ©2009 by Elettronica Montarbo srl. Data, text and pictorial material may not be reproduced in any manner without prior written permission of Elettronica Montarbo srl. All rights reserved. The information contained in this brochure has been carefully drawn up and checked, however no responsibilities will be assumed for any inexactitude. Technical data and appearance of products are subject to change without prior notice. Elettronica Montarbo srl • 40057 Cadriano Bologna (Italy) • +39 051 766437 • Fax +39 051 765226 • [email protected] • www.montarbo.com M22A 2-way bi-amplified active stage monitor TECHNICAL SPECIFICATIONS Enclosure Frequency response Sensitivity Max. SPL Max output power 2-way; vented 45 Hz ÷ 20 kHz ±3dB 100,5 dB SPL @ 1W/1m (on axis) 127 dB 300 W (LF 200 + HF 100) • Components - bass frequencies - mid/high frequencies Impedance Frequency response custom designed 10” neodymium magnet high efficiency woofer (2.5” voice coil) 1” compression driver (2” voice coil) constant directivity horn (90°H x 70°V) 4 ohms (bass) / 8 ohms (mid/high) 45 Hz ÷ 20 kHz 494 184 165 293 210 429 270 100 131 373 Kg 25 M22A = 17Kg 35 2 MosFet, class AB, dedicated power units with 2 independent dynamic processors; Max output power - bass - mid/high Frequency response Input impedance Input sensitivity Noise referred to input ‘soft start’ circuit 300 W 200 W (4 ohms / 0,1% THD) 100 W (8 ohms / 0,1% THD) 10 Hz ÷ 40 kHz +0/-1dB 10 kOhms (balanced) 0 dBu (775mV) - 110 dB (A weighted) • Connectors balanced Neutrik Combo® input balanced XLR output (link) • Controls master level independent HF level 107 PHYSICAL SPECIFICATIONS 110 • Construction birch multiply cabinet; anti-scratch polyurethane paint; powder coated steel protection grille 432 • Fittings carrying handle • Dimensions / Weight W 49.4 x H 27 x D 42.9 cm / 17 kg 160 Dimensions in millimeters • Built-in power amplifier MUSIC - DATA SHEET • Active electronic crossover 24 dB/oct (Linkwitz-Riley) Crossover frequency 1500 Hz The contents of this publication are ©2009 by Elettronica Montarbo srl. Data, text and pictorial material may not be reproduced in any manner without prior written permission of Elettronica Montarbo srl. All rights reserved. The information contained in this brochure has been carefully drawn up and checked, however no responsibilities will be assumed for any inexactitude. Technical data and appearance of products are subject to change without prior notice. Elettronica Montarbo srl • 40057 Cadriano Bologna (Italy) • +39 051 766437 • Fax +39 051 765226 • [email protected] • www.montarbo.com