Tech talk

Kii Audio's Bruno Putzeys explains why active speakers outperform passive designs — tighter bass, smarter power handling, and better timing.

Bruno Putzeys explains the Purifi EVAL5: its Eigentakt module, OEM origins, the Deluxe input buffer, and why it's built as...

Bruno Putzeys on the Kii Seven: cardioid dispersion at half the price of the Kii Three, its driver array, DSP,...

Bruno Putzeys on Class D amplifiers in tomorrow's world: settled amplification, integrated design, and active speakers as the real frontier.

Bruno Putzeys maps the current landscape of Class D amplifiers: self-oscillating feedback designs, gallium nitride, and amplification as commodity.

Bruno Putzeys traces the origin of Class D amplifiers to a 1930s patent, explaining why feedback took decades to work...

Roland Hoffmann explains how RoomPerfect room calibration actually works — more measurements, more data, and why a flat response isn't...

Roland Hoffmann introduces the Lyngdorf FR-2, a wall-hugging loudspeaker whose close placement actually improves bass timing and impulse response.

Roland Hoffmann details Steinway Lyngdorf technology, from the Model D's origin story to the closed-system electronics behind every loudspeaker.

Roland Hoffmann explains the history and philosophy behind Lyngdorf Audio technology, from the first digital amplifier to today's MXA-8400 and...

Roland Hoffmann explains why acoustic room treatment alone isn't enough, and how bass traps and diffusers can backfire without proper...

Roland Hoffmann explains why room correction software like RoomPerfect fixes what your room does to sound before you ever notice...

Roland Hoffmann explains why bass is fundamental to a system's sense of space, and why more subwoofers isn't the same...

Roland Hoffmann of Steinway Lyngdorf explains how distortion degrades the performance of your system — and why it's measured, not...

Roland Hoffmann explores why real acoustic instruments are so hard to reproduce, and how Steinway Lyngdorf proved a loudspeaker could...

Roland Hoffmann traces the digital amplifier revolution from energy-saving switching circuits to today's genuinely musical Class D designs.