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Articles May-June 2021

Pursuing the Pro Audio Trail

In conversation with Caroline Moss and Sue Gould

PT got in touch with the Pro AVL Asia magazine core team of Editor - Caroline Moss and Sales Director - Sue Gould, who between them boast of over three decades of experience in the pro audio industry..... read more

NJSM Marks a Milestone in the Business of Sound

From Rental Company to manufacturer and innovator, Nixon Johnny has guided and grown NJSM from a two-person company to a fifty-person company, continuing to expand into virtual events with NJSM Virtual Studio..... read more

Tech Savvy Environment for T-Systems

Eyte Technologies installs high-tech AV Solution at T-System’s Experience Center facilitating brand value and delivering superior customer experience..... read more

Conversations with SudeepAudio

Sudeep Audio, one of India’s first pro audio web store selling studio software and equipment online commenced its YouTube Channel, ConverSAtions, in 2011 to share the journey of Indian Sound Engineers..... read more


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d&b audiotechnik Introduces new speakers for permanent installations



d&b audiotechnik recently introduced the 24S and 24S-D point source loudspeakers for permanent installation. It is the latest additions to the established xS-Series that will reset the performance level for installation of the specific point sources along with the xA-Series and it features redesigned front grills making it more unobtrusive than before.

Wolfgang Schulz, Installation Product Manager, d&b audiotechnik said, “The 24S, 24S-D and 21S-SUB are designed to set and forget. They meet the exact day to day demands of permanent installation with minimum fuss and maximum reliability.”

Differing in horizontal dispersion with 75° x 45° and 110° x 45° (h x v) respectively, the 24S and 24S-D house two 12” LF drivers in a dipolar arrangement and a single hornloaded 1.4” exit compression driver. The HF horn is rotatable that is the 24S and 24S-D can be mounted either vertically or horizontally. By separating the LF drivers, it achieves constant directivity control in the same plane as the dipole down to approximately 500 Hz. The result is a powerful single box solution that avoids the transmission of energy into the reverberant field, and increasing gain before feedback when working with open microphones. With a frequency response extending from 55 Hz to 18 kHz, 24S and 24S-D is a solution for full range application.

With this extended bandwidth, the 24S and 24S-D point source loudspeakers are a stand-alone option, while for applications with bass heavy program material, the new 21S-SUB provides additional low end support from a conveniently small footprint. Housing a single 21” driver in a bass-reflex design, the 21S-SUB can be operated in standard mode to produce a frequency response of 35 Hz to 105 Hz or as a supplement to other d&b subwoofers in INFRA mode extending the LF performance to 33 Hz with an upper limit of 85 Hz.

In combination with the installation specific d&b amplifier: 30D, the 24S, 24S-D and 21S-SUB produce 138 dB SPL, 137 dB SPL and 134 dB SPL respectively and serve as the ideal alternative to a small multiple cabinet line array. With purposefully designed larger cabinet volume, the 24S and 24S-D deliver an improved low frequency reproduction for a full range point source and preserves sight lines overcoming rigging and placement restrictions.

“The 21S-SUB is the perfect option for any install when bass heavy program material is the name of the game and is the perfect companion for the 24S and 24S-D” added Schulz.

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