An Audio Blog by Walden

Ideas & Insights on Audio & Good Sound

Stepping Up Analogue Playback

There is something rather special about a well-designed step-up transformer (SUT). It is a deceptively simple, entirely passive component, yet it can have a profound influence on the performance of a vinyl playback system. For many enthusiasts, it is also one of the most rewarding ways to extract the full potential of a high-quality Moving Coil (MC) cartridge.

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Why the Audio Note SORO Deserves Your Attention

The Audio Note OTO needs little introduction. It has become one of the best-known expressions of Audio Note’s (UK) approach to single-ended valve amplification. The SORO is less frequently discussed, yet after living with its top version for more than two years, we would argue that it deserves a lot of attention. Dare we say, it is one of our favourites...

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On The Secret of Musicality & The Work of Hiraga

Modern loudspeakers promise technical perfection. Manufacturers routinely claim frequency responses from 20 Hz to 20 kHz, vanishingly low distortion, and sophisticated crossover networks designed to optimize every driver within its ideal operating range. Yet experienced listeners often encounter a paradox: systems that measure impressively can still fail to communicate the vitality of live music. This contradiction fascinated Jean Hiraga, one of the most influential voices in high-end audio.

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