DESIGN WITHOUT COMPROMISE
Through his long carrer as a designer of audio equipment both in analogue and digital areas, Kato, CEO & Chief Designer of SOULNOTE, has been struggling to find out the reason why the improvement in static performance and the sound quality in playback did not always correspond. Kato made a hypothesis about a counter-concept which he called dynamic performacne. The adoption of the NOS (non-oversampling) mode for PCM playback in digital-to-analogue conversion as well as a non-NFB (without negative feedback) circuit in amplifiers come from this hypothesis. SOULNOTE believes dynamic performance keeping accuracy of the original waveform on the time axis as the most important for music playback. At SOULNOTE, only listening dominates the determination and improvement of circuit, selection of parts and mechanical construction. This approach is a kind of antithesis against the supremacy of static performance to revive the SOUL OF SOUND.
SOULNOTE will be at HIGH END Vienna2026

Our room is Level 1, 1.16
Don’t miss out on a sound you’ve never experienced before!
ENGINEERED IN JAPAN. TUNED BY EAR.
Every SOULNOTE component is crafted with an obsession for purity — from circuit topology to mechanical resonance. We eliminate global feedback, avoid oversampling, and rely on meticulous hand assembly in Japan to preserve the natural dynamics of music. Every SOULNOTE creation embodies the pursuit of sonic purity — shaped by ears, not algorithms.
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