All items tagged with Test & Measurement and audio (23)

6-05-2026 | A few years ago, QuantAsylum’s QA403 filled a niche between costly high-end analyzers and basic hobbyist setups. In this article, we examine...

1-05-2026 | A few years ago, the QA403 from QuantAsylum filled a gap in the market — positioned between audio analyzers priced like new cars on one side...

1-05-2026 | Testing the performance of an audio device or a single component of a signal chain, such as a preamplifier, equalizer, or power amplifier, c...

2-02-2026 | Resonance, both mechanical and electrical, is a natural physical process that also affects electronic components. With loudspeakers, one of...

3-10-2025 | Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...

7-08-2025 | Check out the latest installment of Elektor Lab Notes. We cover some of the newest projects on our workbenches, including upcoming articles,...

9-07-2025 | Watch this new episode and learn about clever circuits, engineering techniques, and design hacks. We dive into 3D printing to RF, with hands...

1-07-2025 | Last year, we published a high-quality, variable-frequency audio notch filter. To complete a typical test lab setup for measuring audio equi...

29-05-2025 | How are cutting-edge electronics — from powerful power supplies to sophisticated embedded systems in audio amplifiers — designed and enginee...

29-04-2025 | Whether you are designing, repairing, or testing audio and hi-fi gear, a reliable frequency counter is a must-have tool. This classic freque...