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Though so small and light that EAW nicknamed it the “baby” line array module (BLAM for short), the NTL720 is absolutely packed with a seamless integration of fresh design ideas and some of the most significant advances pioneered by EAW over three decades.

A foundation of the NTL720 is an EAW hallmark: a true three-way design delivering big-time performance with maximized vocal clarity. Next, the entire enclosure face is filled by a full-sized mid/high horn providing 110-degree (horizontal) by 12-degree (vertical) dispersion. First applied with our lauded KF Series line arrays and KF750 Series concert systems, the extreme horn size insures broadband pattern control throughout the entire MF/HF pass-band.

High frequencies are produced by six 1-inch dome tweeters, configured in two vertical columns (each with three tweeters) mounted on a manifold that feeds a single slot in the center of the horn, highly effective in controlling vertical dispersion.

Flanking the HF section, dual 6-inch cone woofers handle the MF range, also loading on to the horn, with minimal space between the MF and HF components enhancing coherency and improving overall off-axis response. Further, our Concentric Summation Array (CSA) technology, developed for the acclaimed AX Series installation loudspeakers, greatly minimizes interference to the HF.

Topping it off, Phased PointSource Technology (PPST) forms array modules into a single acoustical element, while Divergence Shading technology, utilized in the KF760 Series, has been applied to further attainment of even sound pressure levels over distance.

The LF section features the Phase Aligned driver approach developed for the KF730 Series,with both 6-inch LF drivers in a side-mounted “figure-8” configuration that extends horizontal pattern control while directing more acoustical energy on axis. The response of the MF drivers is also extended down to 100 Hz, furthering low-end presence and impact.

The onboard self-powering technology, developed and proven in the NT Series, has been further extended for the NTL720. It includes three individual modified 500-watt Class-D (digital) amplifier modules tailored for their respective subsections (LF, LF/MF, and HF, and these are also precisely matched to their own digital signal processors.

Headlining the processing is EAW’s revolutionary Gunness Focusing™ alignment and driver processing algorithms first unveiled in the NT Series and now available via the UX8800 digital processor. Gunness Focusing eliminates the traditional characteristics of “honk” and “splashiness” to produce horn-loaded performance comparable to premium direct-radiating studio monitors.

EAWPilot control software provides comprehensive DSP control as well as monitoring of amplifier status; when connected, all NTL720 loudspeakers comprise a network in which EAWPilot recognizes each individual loudspeaker as well as arrays acting as a single unit. Not only does EAWPilot assist in optimizing a wide range of parameters, but its Wizard modeling software helps in automatically configuring array DSP for optimal performance fitting specific audience areas, greatly simplifying system setup and alignment.

Input selection provided on NTL720 cabinets is both simple and flexible – the user has a choice of analog, AES 1 and 2, and EAW’s proprietary U-Net. Drawn from the UX8800 and other EAW products, U-Net provides full digital control of each device in a system, including audio signal, processing parameters, routing – in addition to accommodating the EAW Smaart tuning and analysis platform.

Communication connection options also include U-Net, as well as a USB port on the back panel for interfacing with the DSP. Each back panel also offers HF boost and nearfield contour controls, along with a range of LED indicators for signal, limiter, clip, input selection, U-Net status, amplifier status, HF boost engagement and nearfield contour engagement.

One of the most exciting aspects of the NTL720 is its proprietary FastLatch™ integral rigging system. Representing more than two decades of tireless effort in getting this crucial facet exactly right, the rigging design offers an easy, convenient “hinge-and-latch” approach, with the essential components being two heavy-duty hinge mechanisms on the back of each cabinet and a latch mechanism on the underside of each cabinet.

Splay angles (a choice of 12, 9, 6, 3, and 0 degrees) are easily selectable by carrier brackets that accompany the hinges. And, the flybar can also be used as a stable, safe groundstack platform.

The rigging design also allows individual components and even entire modules to be replaced within built array structures, whether flown or stacked. Two plug connectors that directly connect the amplifier module to the PCB inside of the cabinet ensure a solid, lock-tight fit and eliminate the hassles of cable connections. Finally, cabinets are finished with our tough RoadCoat™ weather-resistant textured finish that is highly scratch-resistant, and the grille is durable aluminum.

The NTL720 encompasses the creative thinking and hard work of the full force of EAW’s engineering team over the course of more than a quarter century. Small stature notwithstanding, it’s the seamless integration of truly big performance audio ideas.

 

EAW UX8800 Speaker Processor

No other rack-mounted digital processor can approach the UX8800 in terms of dramatically advancing current and future EAW loudspeaker performance. With true dual-mode capability, the 4-input by 8-output unit is equally adept as a loudspeaker processor or an overall system processor.

The UX8800 brings revolutionary Gunness Focusing technology to an ever-increasing number of conventional EAW loudspeakers. Employing sophisticated, custom DSP algorithms designed specifically to correct loudspeaker response anomalies, it substantially eliminates the time smear, horn "honk" and low-frequency cone resonances that plague conventional reinforcement system designs. (New Gunness Focusing settings are developed and posted for free download on a regular basis.)

In loudspeaker processor mode, the user can establish up to four individual loudspeaker specific processing units, each with locked down product-specific settings for crossover, equalization, alignment processing, and limiting. Output channels are assigned for each of the loudspeaker's separately amplified subsystems (2-way, 3-way, etc.).

Further, by entering the gain and maximum voltage ratings of the power amplifiers being driven by each output channel, the UX8800 calculates the correct output limiter settings (such as excursion and power handling) of the individual drivers. In addition, a distance and humidity-dependent air loss pre-emphasis filter can be engaged to overcome expected air losses over longer projection distances.

Also in loudspeaker processing mode, each processing unit offers a full complement of user-adjustable DSP parameters (EQ, level, delay and polarity) that provide the critical alignment control that are normally required for overall system alignment and adjustment. The result is an unprecedented degree of consistency and interoperability between EAW systems.

Meanwhile, in system processor mode, all settings and parameters for both inputs and outputs are user-adjustable. The processor's 4 x 8 architecture is custom-configured by the user to suit the particular application.

The UX8800 is intimately linked to EAW Smaart and FChart acoustic measurement and analysis systems. This is crucial to users and engineers in that it guarantees processing that exactly matches the processor settings determined in the laboratory by EAW engineers. The front panel offers access to all operational, user-controllable parameters via buttons, encoders and a brightly back-lit LCD panel. More advanced setup and tailoring can be done via EAWPilot software (supplied with the unit) on a PC plugged in via the RJ45 port on the front panel.

The powerful UX8800 digital engine features state-of-the-art 48-bit/96-kHz efficiency. Both input and output connectors are XLR type, with digital inputs to accommodate AES/EBU and the coming EAW U-Net connectivity while eliminating A/D and D/A stages.