Description

The Esoteric S-05 is a pure Class A power amplifier that brings your music to life with remarkable warmth, depth, and control. Designed with the same no-compromise ethos as Esoteric’s flagship Grandioso series, the S-05 delivers 30 watts per channel (into 8Ω) of effortlessly musical power, all within a beautifully engineered chassis.

Unlike conventional designs, the S-05 operates entirely in pure Class A, offering a continuous flow of current that reveals the finest textures and tonal shadings in every recording. Vocals feel palpably present, strings shimmer with authenticity, and the dynamic ebb and flow of music is rendered with breathtaking realism.

At the heart of its performance is Esoteric’s Master Sound Discrete Amplifier—an in-house developed circuit using carefully selected components arranged in a symmetrical dual mono layout. This ensures absolute channel separation, reduced crosstalk, and an expansive stereo image that’s pin-sharp and emotionally compelling.

Hefty power supplies, generously specified heat sinks, and meticulous internal construction make the S-05 as technically robust as it is musically poetic.

 

Key Features:

  • Pure Class A amplification – 30W into 8Ω, 60W into 4Ω

  • Esoteric’s own Master Sound Discrete Amplifier topology

  • Dual mono configuration for improved separation and dynamics

  • Exceptional build quality with premium components throughout

  • Balanced and unbalanced inputs

  • Elegant, minimalist industrial design with a solid aluminium chassis

  • Designed and handcrafted in Japan

  • Available in Black or Silver.