Fresh From the Bench: QuantAsylum QA403 32-bit Audio Analyzer

The QuantAsylum QA403, the 4th generation audio analyzer from the company founded by Matt Taylor in 2012, has a lot to offer. In particular when a user gets tips and guidance from someone like Bob Cordell, no less. The QuantAsylum QA403 Analyzer was the result of a complete redesign imposed by the silicon shortages and supply chain disruptions, pre- and post-pandemic. It appears that the efforts made were well worth it. Jan Didden shares his impressions.

While Bluetooth technology does not provide a complete solution for live performance audio, it still has a key role to play. In particular, the value of a standards-based approach manifests with the availability of low-cost Bluetooth LE-compatible transceivers from a variety of SoC vendors. Building on these readily available devices, manufacturers can engineer systems that are strongly optimized for live and professional applications. But what latency performance targets should those products meet?

When RME Audio released the DPS-2 Power Supply and LNI-2 DC Filter and Stabilizer, it left many of its faithful customers intrigued. The two new solutions are designed to improve the performance of its ADI-2 series of converters in critical applications. One is a super low noise linear audio power supply with a unique µfilter and sensor technology, and the other is an active DC filter with galvanic isolation. Stuart Yaniger explains how these two new solutions improve what is already outstanding.

In this December 2024 issue there's a new DSP product review of the Marani Pro Audio MIR260A outboard processor, and Lars Risbo shares his expertise in Numerical Optimization applied to Speaker Box Alignments. Essential resources are the updated directories of Test and Measurement and of Simulation and CAD Software vendors. On Test Bench, Vance Dickason characterizes the Faital Pro HF110 1" Neodymium Motor Compression Driver and the SB Acoustics Satori MR16TX-8 6.5" TPCD Midrange.

audioXpress December 2024 features a comprehensive report on Bluetooth LE Audio and Auracast, the suppliers and development ecosystem. Jonny McClintock adds insights on Ultra-Low Latency Audio Transmission over Bluetooth LE Audio. Plus three reviews of the QuantAsylum QA403 Audio Analyzer, the DPS-2 Power Supply and LNI-2 DC Filter and Stabilizer from RME Audio, and the SPL Phonitor 3 DAC, Headphone Amplifier and Monitor Controller. Hans Polak details his extensive experiments on Moving Magnet Cartridges.