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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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d&b audiotechnik Introduces New A-Series



The all new A-Series introduces a unique loudspeaker concept that sees advanced waveguide design combined with d&b enabling technologies - it questions everything. With flexible splay angles, this system addresses a wide range of medium size applications where the highest levels of coverage flexibility are paramount.

Realizing all the adaptability of a point source cluster with the extensive control options of a d&b line array, the system comprises the AL60 and AL90 loudspeakers, with ALi60 and ALi90 offering cabinets designed specifically for permanent installation.

Both loudspeakers share a passive two-way design featuring one 1.4" exit HF compression driver with a 3" diaphragm mounted to a wave shaping device, and two 10" neodymium LF drivers. The combination of sophisticated waveguide design and the symmetrical dipolar arrangement of the LF drivers allows a smooth overlap of the adjacent frequency bands in the crossover design. The wave segments of each cabinet couple without gaps and sum up coherently.

Using the appropriate frame, up to four AL60/AL90 loudspeakers can be flown either in vertical columns or in horizontal clusters. Variable splay angles between adjacent cabinets can be set from 20-degree to 40-degree in 5-degree increments, allowing the finest of adjustments and ensuring sound is directed precisely where it's wanted and nowhere else.

With its 60-degree horizontal directivity pattern the AL60/ALi60 can be maintained down to approximately 550Hz, while its output capability can cover a distance of up to 30m depending on climatic conditions. The AL90/ALi90 - with its 90-degree horizontal pattern control down to 370Hz -- is both sonically and mechanically compatible, ensuring the same optimal acoustic result is achieved consistently anywhere, at any angle -- whatever the configuration.

Constructed from marine plywood, the AL-Series cabinets have an impact and weather protected PCP (Polyurea Cabinet Protection) finish.

The companionable four channel 30D and D80 amplifiers provides extensive user-definable equalization containing two 16-band equalizers with parametric, notch, shelving, and asymmetric filters as well as delay capabilities of up to ten seconds.

It's always been the d&b approach to build integrated sound reinforcement systems that are actually more than the combination of parts. 2019's A-Series expands this idea even further, stretching loudspeaker capability beyond flexible. Like all d&b systems, A-Series fully integrates with the internationally adopted d&b Workflow, unlocking its full potential through streamlined system design and optimization, control, and monitoring.

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