audioXpress May 2024 Glass Audio Special Issue Now Available

audioXpress May 2024 Glass Audio Special Issue Now Available

Advertise in the Loudspeaker Industry Sourcebook 2024!

Advertise in the Loudspeaker Industry Sourcebook 2024!

Loudspeaker Knowledge and Innovation in Voice Coil April 2024

Loudspeaker Knowledge and Innovation in Voice Coil April 2024

The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities

The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities

Pro-Ject Audio Systems Introduces New Automatic Turntable

January 31, 2022 by audioXpress Staff

Pro-Ject Audio Systems Introduces New Automatic Turntable

Sumiko and Pro-Ject USA have announced the new A1 Turntable from Pro-Ject Audio Systems. After years of dedicated research and effort, the team identified the proper technology to develop automatic turntables at the sound quality standard that Pro-Ject’s esteemed reputation evokes around the world. A product fit for a new generation of vinyl enthusiasts that are not exactly ready for the full inconveniences of turntables.

Chord Electronics Launches Mojo 2 Portable DAC/Headphone Amplifier

January 31, 2022 by audioXpress Staff

Chord Electronics Launches Mojo 2 Portable DAC/Headphone Amplifier

British hifi audio brand Chord Electronics has launched Mojo 2, the replacement for the genre-defining original portable DAC/headphone amplifier for the most demanding, high-resolution music enthusiasts. Expanding the possibilities of the original, the new Mojo 2 benefits from a new lossless DSP and a new dedicated sphere and menu system to control the new DSP features. It also offers a new USB-C data input, better battery/charging, improved proprietary WTA filter, improved noise-shaper, and improved 4e Pulse Array DAC.

January 31, 2022 by Joao Martins

AKM Resumes Sample Shipments of 13 Velvet Sound DAC/ADC Products

Asahi Kasei Microdevices (AKM) has resumed sample shipments of 13 Velvet Sound D/A converters (DAC) and A/D converters (ADC) products - all part of a new generation of improved devices. The samples start shipping in January 2022. Mass production is scheduled for the third quarter of 2022. The new range of devices include new 115dB and 768kHz 32-bit DACs in 2, 4, 6, and 8-channel models, plus nine new 32-bit ADCs in 2, 4, and 8 channel models including the AK5522 ADC, ideal for bus-powered USB audio interfaces.

Austrian Audio Introduces Headsets for Business and Gaming

January 28, 2022 by audioXpress Staff

Austrian Audio Introduces Headsets for Business and Gaming

As Austrian Audio continues to expand its global distribution network and product portfolio to better serve is addressable market, the company is leveraging its house-developed Hi-X driver technology in new designs. Following the studio-oriented professional headphones, the Vienna company released two new headsets: the PG16 for Gaming, and the PB17 for Office use, both with large comfortable earpads, detachable cables and foldable designs.

Telit Launches WE310G4 Dual-Band Wi-Fi Module with BLE 5.0

January 28, 2022 by audioXpress Staff

Telit Launches WE310G4 Dual-Band Wi-Fi Module with BLE 5.0

Wireless connectivity specialists Telit announced the launch of their new WE310G4 module, which enables manufacturers to add dual-band Wi-Fi and Bluetooth Low Energy (BLE) 5.0 connectivity quickly and cost-effectively to their products. Based on Realtek's Ameba system on chip (SoC), the WE310G4 is ideal for a wide variety of embedded designs, including smart home devices and appliances, wearables, fitness trackers, smart city sensors, aftermarket telematics and industrial automation sensors.

Biamp Introduces New Desono DX Loudspeaker Range for Corporate and Commercial Audio

January 28, 2022 by audioXpress Staff

Biamp Introduces New Desono DX Loudspeaker Range for Corporate and Commercial Audio

Expanding its range of speaker solutions since the acquisitions of Community and Apart, Biamp now announced the introduction of Desono DX, a new line of attractive, high-performance, high-output ceiling and surface mount loudspeakers that will replace the former Community Desono D Series loudspeaker range. The new updated Desono DX line, improves sound performance, with updated designs and installation accessories.

Audio-Technica Introduces Complete Beamforming Ceiling Array Microphone System with DSP and Dante-PoE

January 27, 2022 by audioXpress Staff

Audio-Technica Introduces Complete Beamforming Ceiling Array Microphone System with DSP and Dante-PoE

Audio-Technica introduced the ATND1061 Beamforming Ceiling Array Microphone, designed for conference rooms, boardrooms and meeting spaces from large to small. The new microphone array was designed as a complete system, including dedicated software to manage its six channels into zones, and already features all required DSP with automix, echo cancellation and noise reduction algorithms. The ATND1061 is also available with optional Dante networking, powered over Ethernet.

DSP Concepts Closes New Funding Round and Appoints Yuchun Lee as Executive Chairman

January 27, 2022 by Joao Martins

DSP Concepts Closes New Funding Round and Appoints Yuchun Lee as Executive Chairman

DSP Concepts, the company founded by Paul and Chin Beckmann, and the creators of the Audio Weaver DSP platform that powers sound and voice features in many of the world's leading consumer and automotive brands, announced that it has successfully closed $28 million in Series C funding. Joining as leading investor, entrepreneur Yuchun Lee has been appointed as Executive Chairman and is intent on leading the company's growth as the enabler of the "Audio of Things."

Test Bench: Purifi Audio’s PTT4.0X04-NFA-01 Home Audio 4" Midbass.

January 26, 2022 by Vance Dickason

Test Bench: Purifi Audio’s PTT4.0X04-NFA-01 Home Audio 4" Midbass.

This Test Bench addresses Purifi Audio’s PTT4.0X04-NFA-01 4” midbass, which is very similar to the PTT6.5X reviewed in Voice Coil July 2021, and includes the same constant Sd surround and low magnetic hysteresis motor design. The distinct cone assembly for this driver consists of a flat profile paper cone made with a proprietary fiber mix, a concave dust cap that covers about 90% of the cone surface, plus the addition of a V-shaped edge reinforcing ring glued around the outside rim of the back side of the cone. Compliance is provided by a unique NBR surround, which as in the PTT6.5X surround, deserves to be explored, motivating Vance to discuss it with Purifi’s co-founder Lars Risbo.

Audio Electronics: Cascodes, Folded Cascodes, and Current Mirrors (Part 2)

January 26, 2022 by Morty Tarr

Audio Electronics: Cascodes, Folded Cascodes, and Current Mirrors (Part 2)

In Part 1 of this three-part article about circuit topologies that are used to provide specific functions for an amplifier design, the author discussed cascodes and folded cascodes. In this Part 2, he focuses on current mirrors and line stages. As the author writes, “As designers, we have many devices to choose from. Some devices are ideally suited to certain tasks. Other tasks require performance that is difficult to achieve. While many excellent devices exist today, ideal devices do not exist, except maybe in Spice simulations.” This article was originally published in audioXpress, October 2021.

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