M2
Master Reference Monitor


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M2 Master Reference Monitor
Addressing the growing need for high dynamic range and reference-monitor accuracy in a broad range of studios, JBL has developed the M2 Master Reference Monitor: A Free-Standing, 2-Way System that can be placed in any environment to provide an exceptionally accurate monitoring experience. Leveraging a new generation of JBL high-output, ultra-low distortion transducers, the M2 provides in-room frequency response of 20 Hz to 40 kHz, and an extraordinary 123 dB maximum SPL to meet the demanding music, cinema and broadcast production requirements for impactful dynamic range.

FEATURES
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  • The Ultimate High Frequency Driver for Critical Reference Monitoring Extended HF Reproduction Smooth Response High Power Handling Measurably Lower Distortion Reduced Power Compression Increased
    Dynamic Headroom
  • Exceptional Low Frequency Extension, High Output, Very Low Power Compression, Very Low Distortion
  • Impressive Imaging and Sound Stage, Exceptional High Frequency Detail, Uniform Directivity for Smooth In-Room Response, Patent Pending Design
  • LSR Linear Spatial Reference Design
  • Small Footprint, Extended Bass Performance, Patented Low Frequency Port Design

TECHNOLOGY
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D2 DUAL DIAPHRAGM DUAL VOICE COIL COMPRESSION DRIVER
The Ultimate High Frequency Driver for Critical Reference Monitoring, Extended HF Reproduction, Smooth Response, High Power Handling Measurably Lower Distortion, Reduced Power Compression, Increased Dynamic Headroom
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DIFFERENTIAL DRIVE® TECHNNOLOGY
Enhanced Performance and Exceptional Low Frequency Extension, High Output, Very Low Power Compression, Very Low Distortion
Achieving extended, rich low frequency performance within the M2 system design parameters required additional JBL engineering innovations, and the 2216Nd in the M2 is no “off-the-shelf” woofer. It employs no less than five patented technologies to allow bass extension to the limits of the audible range, and high output, free of power compression that is detrimental to a system’s low frequency performance. Echoing the “dual driver” design of the D2, the 2216Nd utilizes dual neodymium magnets and two voice coils. To ensure the ultimate performance, even the use of special wire in the 2216 voice coils is a JBL patented application.
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IMAGE CONTROL WAVEGUIDE
Impressive Imaging and Sound Stage, Exceptional High Frequency Detail, Uniform Directivity for Smooth In-Room Response
To support an imperceptible transition between the two drivers, and deliver exceptional imaging, JBL engineers pioneered a new patent-pending waveguide design that enables neutral frequency response, not just on-axis, but off-axis in the vertical and horizontal planes, all the way down to the M2’s 800 Hz crossover point.
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LSR LINEAR SPATIAL REFERENCE DESIGN
We all know that many loudspeakers have similar measurements but sound different. By going beyond simple on-axis frequency response measurements, JBL defines the ultimate performance specification for new systems – what it will sound like in your room. At the mix position, you hear a combination of direct sound and sound reflected from the rooms surfaces. For sound arriving at the mix position to be smooth and neutral, it is not enough for a speaker to measure “flat” on-axis; it is essential the speaker have excellent off-axis performance.
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M2 ENCLOSURE
Small Footprint, Extended Bass Performance, Patented Low Frequency Port Design
Extended low frequency performance and high SPL can be the formula for unwanted resonance. The M2 enclosure is constructed of rigid 1" MDF and with the aid of JBL’s interferometer, extensively braced for rock-solid stability at the system’s full rated power. The enclosure incorporates a JBL patented Slipstream port design with internal flares that ensure low frequency efficiency while eliminating noise caused by port turbulence. Architecturally elegant, the M2 enclosure occupies a relatively small footprint, and can be transported to various working environments.


SYSTEM INTEGRATION
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System Integration
While offering exceptional accuracy “out of the box,” the power of the M2 is fully realized with its intelligent in-room tuning and integration capabilities, ensuring optimum performance in your listening environment.
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SPECIFICATIONS
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System Format 2-Way Floor Standing or Soffit Mountable
High Frequency Model D2430K Dual Diaphragm Dual Voice Coil Compression Driver
Low Frequency Model 2216Nd 15 in (381 mm) Differential Drive® Woofer
Crossover Frequency 800 Hz
Frequency Range 20 Hz - 40 kHz
Image Control Wave Guide Dispersion 120° H x 100° V
Sensitivity 1W/1m SPL 92 dB
Continuous/Peak SPL@ 1m 117 dB /123 dB; 108 dB Peak SPL @ 8m
The System Requires One Crown® iTech 5000HD power amp for each speaker, or BSS® Soundweb London Processor with Crown Macro-Tech® MA-5000i
Recommended Amplifier Power 1,200 Watts into 8 ohms
Input Connectors Spring Terminals
Enclosure Construction 25 mm (1 in) MDF
Finish Satin Black Lacquer
Included Removable ABS Grille with Black UL Compliant Fabric
Dimensions (W x H x D) 508mm x 1256mm x 355.6mm (20in x 49.5in x 14in)
Weight 58.5 kg (129 lb)



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