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Articles Sept-Oct 2020

IRAA 2020 Recording Arts Awards a Huge Success

Winners across 42 categories at India’s only technical excellence award for the sound recording industry represent the future of the industry setting new standards in sound engineering..... read more

Bose Professional Gives Befitting Tribute to War Heroes

The National War Memorial stands as a stellar tribute to the Indian Armed Forces who served our country in times of conflict. The scale and significance of the memorial..... read more

Ray of LIGHT in Conversation with Becket Tundatil

The Coronavirus has disrupted industries from all sectors including Lighting. The outbreak has left a significant impact on the events industry with shows being postponed or cancelled..... read more

NJSM-BNA Set the Ball Rolling for Virtual Live Entertainment Events in India

The advent of the Covid-19 pandemic mandated the cancellation of most concerts, music festivals, performances and other live entertainment events, but what emerged from this adversity..... read more

Acoustic and Audio System Design for Small Rooms - Part 3

In Part 2 of the series, Sarma elucidated about the importance of sound isolation and how background noise can adversely impact the dynamic range of the audio playback..... read more


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EM Acoustics Launches ST-215 touring subwoofer

EM Acoustics has announced the launch of their ST-215 medium format touring subwoofer. As the first product in the forthcoming S Series of subwoofers, the ST-215 is designed to complement other products within the EM Acoustics range as well as offering ideal low frequency support for HALO-B systems.


EM Acoustics has announced the launch of their ST-215 medium format touring subwoofer. As the first product in the forthcoming S Series of subwoofers, the ST-215 is designed to complement other products within the EM Acoustics range as well as offering ideal low frequency support for HALO-B systems.

Featuring dual 4-inch voice coil 15-inch neodymium LF drive units for unmatched power density and headroom, the ST-215 has been voiced to add low frequency body to flown HALO-B systems and is also mechanically compatible with HALO-B. However, this versatile subwoofer is also a standalone product and can be used to support any EM Acoustics product, in either a flown or ground-stacked configuration.

The compact, lightweight enclosure offers an optimally-tuned bass reflex design with a single low-velocity port to minimize distortion generated by turbulence. The high motor strength of the drive units gives the ST-215 excellent transient response and the moving area of the two high-excursion 15-inch drive units generates significant low frequency extension and overall subwoofer output. The enclosure is symmetrical to facilitate the creation of cardioid arrays where appropriate.

Housed in a robust weather-resistant enclosure and utilizing stainless steel fixings and a stainless-steel grille, the ST-215 is ready for outdoor use straight out of the box. Even the touring-friendly 4-point flying hardware is coated with XylanTM for maximum durability. All rigging components retract flush with the cabinet for transit and ground stack use. Arrays of up to nine units can be easily and quickly assembled with above-regulation safety compliance.

According to operations director, Mike Wheeler, the ST-215 offers all the advantages of dedicated sub-bass support for HALO-B without being too specific for use with other EM Acoustics loudspeakers. “We deliberately designed the ST-215 to be mechanically and acoustically compatible with HALO-B, because HALO-B deserves to have a subwoofer that is precisely tailored to match the rest of the system,” he explains. “However, the design is flexible enough that it’s also a highly versatile system in its own right and can easily accompany other EM Acoustics systems, which makes it really easy to integrate into rental stock, for example. However, that same flexibility makes it equally at home in fixed installations, so it really is the best of both worlds.”

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