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Articles July-August 2020

Bay Owl Studios – Not Just Music by the Bay

Launched in February 2020, Bay Owl Studios was founded by Varun Parikh who is an audio engineer and had no significant musical influence while growing up. His first exposure to music came when he was in high school..... read more

Harman all the Way

India’s First Domestic Hotel Chain – the Luxurious MAYFAIR Lake Resort – hires Qubix Technologies to provide state-of-the-art, end-to-end Integration with HARMAN Professional Solutions. PT reports..... read more

ANGRIYA Cruises the Seas with Bose

Latest cruise ships are teaming with audiovisual technology designed to keep passengers awed and coming back for more. In this feature PT reports on the audio installation of one such cruise ship - The Angriya Luxury Cruise Liner..... read more

Sennheiser 75-year Milestone

June 2020 marked the 75th anniversary of the foundation of Sennheiser, one of the world’s leading manufacturers of headphones, loudspeakers, microphones and wireless transmission systems. Through these 75 years, Sennheiser..... read more

Adiyogi Divya Darshanam Continues to Raise Standards

Since it’s unveiling in 2019 by the President of India Shri Ram NathKovind, the Adiyogi Divya Darshanam has enthralled spectators from across the globe. In May this year, this one of its kind projection mapping..... read more

Shankar & Siddharth Mahadevan’s Lambodara Studios

In the March-June 2020 issue of PALM Technology, PT did a cover story on Shankar and Siddharth Mahadevan’s new studio Lambodara. Here are some more images of the new studio..... read more

Acoustic and Audio System Design for Small Rooms- Part 2

In part 1 of this series we defined a small room, introduced the concept of sound waves as they relate to phase shift and comb filtering, and even touched on the Haas (precedence) effect. In this article, we will talk..... read more

IRAA 2020 Goes Virtual

PALM expo’s concern to ensure safety from ongoing pandemic mandated cancelation of the 2020 edition of PALM expo and in the best interest of the industry and business, decided not to move forward with the expo in 2020, carrying forward the show to May 2021..... 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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