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10-02-2026 | Ready to solder? This audio series delivers easy-to-build DIY circuits, beginner-friendly components, just enough electronics theory, and lo...

9-02-2026 | This article covers an extended, symmetrical version of an adjustable DC load. The design is suitable, for example, for testing the typicall...

5-02-2026 | What if a palm-sized amplifier could outperform larger, more expensive modules while delivering serious sound quality? This compact, low-cos...

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

29-01-2026 | This self-powered low-noise microphone amplifier boosts dynamic microphones without relying on 48-V phantom power. Designed for low-impedanc...

1-11-2015 | It may not be the highest of Hi-Fi but at only 38x56 mm this low-cost discrete design is smaller and cheaper than IC modules of similar powe...