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
  • 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


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

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.

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.

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.

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


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.

SPECIFICATIONS
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)


Kenny Mixx Steps Up His Game with HARMAN’s JBL M2 Master Reference Monitors

by JBL Professional | Jun 10, 2015
ATLANTA, Georgia – Atlanta-based mastering engineer Kenny “Mixx” Daniels of Patchwerk Studios in Atlanta has a list of credits that reads like a “who’s who” of the hip-hop industry: Prince, Ludacris, Nelly, T.I and Rick Ross, to name a few. In his control room at Patchwerk Studios, Kenny Mixx recently installed a pair of JBL M2 Master Reference Monitors in his mastering room.




March 26, 2015 – For Immediate Release

Kenny Mixx Steps Up His Game with HARMAN’s JBL M2 Master Reference Monitors

ATLANTA, Georgia – Atlanta-based mastering engineer Kenny “Mixx” Daniels of Patchwerk Studios in Atlanta has a list of credits that reads like a “who’s who” of the hip-hop industry: Prince, Ludacris, Nelly, T.I and Rick Ross, to name a few. In his control room at Patchwerk Studios, Kenny Mixx recently installed a pair of JBL M2 Master Reference Monitors in his mastering room.

The largest speaker in JBL’s studio monitor line, the M2 integrates new JBL transducer technologies and patented innovations in a free-standing, 2-way main monitoring system that provides a superior level of accuracy and performance in a broad range of production environments. Today, Kenny Mixx hosts top clients in his M2-equipped mastering room, and his projects dominate the airwaves.

A longtime user of JBL studio monitors, Kenny Mixx explains why he fell in love with the M2 speakers: “Let’s go back to the name: JBL M2 Master Reference Monitors. That sounds great! The M2 Master Reference Monitor truly is a speaker worthy of its name.” As soon as the M2 speakers went into production, Kenny evaluated one of the first sets available. “At the time, I was still using my JBL LSR6328P studio monitors with matching dual subs and hadn't planned on changing my trusted set up, because if it's not broke then don't fix it, right?”

However, after setting up and listening to the M2 monitors for the first time, Kenny realized everything had changed. “I'll have to admit it took me every bit of a few seconds to realize that this speaker was different, and get this: I was sitting off-axis to the far right of the speaker and the imaging was phenomenal—very smooth-sounding,” he said. “Everything sounded familiar, but it was like the sound was on steroids all around. I had to have them.”

“Kenny is an exceptional talent,” said Peter Chaikin, JBL Professional Senior Manager, Recording and Broadcast Marketing. “I was honored to receive a call from Kenny one day, telling me he was using JBL studio monitors on his projects. We developed a great relationship and during M2 development, we discussed the M2 might be the perfect solution for his new room at Patchwerk. As soon as the speakers were available, Kenny spent time with a set. I traveled to Atlanta when Kenny was dialing them in, and hearing his projects made both of us smile.”

Speaker calibration was accomplished using the room EQ in the Crown I-Tech amplifiers and Rational Acoustics’ SmaartLive software. Spending time with the speakers, Kenny refined the tuning over a period of days. “When I hit play after recalibrating my room, the system not only blew my socks off, but I was truly amazed at how tight and precise the low frequencies were. There was no overhang or that dreaded tubby bass ringing that I hate in other designs. 

“When your speaker cones are still moving when they should not be, then they not only falsify bass notes; they also tend to smear soundstage detail,” Kenny continued. “In other words, the speakers aren't playing back the same song. I read some really cool stuff about HARMAN’s approach to achieving highly accurate lows, based on the Crown I-Tech 4x3500HD power amp’s super-high damping factor and the M2's dual voice coils wound with special wire that doesn't change impedance as the voltage or volume increases.”

According to Kenny, the difference in HARMAN’s ability to achieve these lows is night and day, when compared to other systems. “Man oh man, when you hear the system as a whole with the waveguide and D2 high-frequency driver you will know exactly what I'm referring to,” he said. “The waveguide with D2 drivers draw such a clean, smooth center image that time and time again clients compliment the speakers on how 3D and holographic they sound.”

In fact, Kenny even admits that the speakers’ accuracy is so dead-on that it’s taken him some time to fully adjust. “True story: as I was working on a song one day I would periodically mute my speakers and turn around to answer the phone behind me on my coffee table but it turned out no one was paging me—I was actually hearing sounds that were out of phase in the mix that I was working on! Now that’s imaging.”

HARMAN (www.harman.com) designs, manufactures and markets premier audio, visual, infotainment and enterprise automation solutions for the automotive, consumer and professional markets. With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon® , Mark Levinson ® and Revel®, the Company is admired by audiophiles, musicians and the entertainment venues where they perform. More than 25 million automobiles on the road today are equipped with HARMAN audio and infotainment systems. HARMAN has a workforce of approximately 17,600 people across the Americas, Europe, and Asia and reported sales of $5.9 billion during the last 12 months ended December 31, 2014.

 Press Release PDF

 


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