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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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Apex introduces the SMA-1 amplifier module with integrated DSP at ISE 2019



SMA-1 provides customizable self-powered OEM solution for active 2-way loudspeaker manufacturers

Building on the reputation of its renowned DSP-based audio technology including the Intelli-Series system processors, Apex is proud to the introduce the Class D SMA-1 amplifier module which offers an easily customizable turnkey solution for all 2-way active loudspeakers.

SMA-1 is a purpose-built, fully-featured amplifier module that is easily adapted to customer requirements without the need for a long and expensive custom development process. It combines a switch-mode power supply, two Class D power amplifiers (1 x 500W + 1 x 150W), powerful integrated DSP and all the necessary analogue circuitry optimized for the best sonic performance on a single, extremely compact and lightweight PCBA (Printed circuit Board Assembly) module.

The most basic customer implementation comprises a single Line input, a Link output, a volume knob and status LEDs for signaling Power, Signal and Limit. Customization is achieved via the highly versatile input connector on the PCB which enables the addition of extra input sources such as microphone inputs, Bluetooth, and even networked audio as well as allowing you to determine the layout of connectors and controls, be it a graphic display or LED indicators. Even the most advanced functionality can be designed with the absolute minimum of effort. Dante audio networking is available as an option as well as remote control via Apex’s fast and highly intuitive Intelli-Ware software.

The integrated high-performance DSP enables the user to easily implement custom filter algorithms, thereby creating their unique sound signature without having to worry about the hardware or any interconnections. Just connect an input signal, be it analogue, digital or even wireless, connect the loudspeakers and plug it into the mains in any country and play!

According to Apex managing director, Paul Van Hees, SMA-1 is an extremely valuable addition to the company’s portfolio. “We’ve always been good at electronics and we have a long history of providing innovative yet reliable custom solutions. SMA-1 is exactly that – it’s just such a neat solution for manufacturers looking for self-powered amplifier modules. It offers them everything they need, from the most basic to the most sophisticated solution, in a high quality, ultra-compact and extremely affordable format. What’s not to like!”

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