Estoric Grandioso S1X Class-A Stereo Amplifier

Grandioso S1X: A New Milestone in Class-A Stereo Amplifiers

The Grandioso S1X represents Esoteric’s pinnacle in Class-A stereo amplification, delivering unparalleled musical expression and dynamic performance.

Key Features

  • Newly Designed Drive Stage: Utilizes a 5-parallel push-pull configuration with large bipolar transistors, ensuring robust and precise sound reproduction.
  • Pure Class-A Operation: Offers 50W per channel into 8Ω, providing a rich and dynamic musical experience.
  • ES-Link Analog Transmission: Esoteric’s proprietary current transmission system enhances fidelity between preamplifier and amplifier, transmitting approximately 100 times more current than conventional methods, resulting in reduced noise and full energy delivery.
  • Superior Power Linearity: Delivers consistent performance across various loads, from 50W/8Ω to 100W/4Ω, ensuring unparalleled dynamics.
  • Robust Power Supply: Features large-capacity toroidal-core transformers responsive to dynamic current demands, along with a 3-transformer configuration dedicated to pre-drive, main drive, and control systems.
  • High-Capacitance Custom Capacitors: Equipped with Grandioso custom capacitors (10,000μF × 6 per channel) for enhanced power stability.
  • Optimized Internal Design: Incorporates pure copper busbars, ultra-thick wiring, and minimal pattern connections to significantly reduce internal impedance.
  • Balanced Audio Connections: Ensures low noise through balanced connections in each circuit block.
  • High-Quality Components: Utilizes premium parts, including FET switches for input selection and discrete amplifier modules (IDM-01), to maintain signal integrity.
  • Flexible Configuration: Supports both stereo and bi-amp modes, allowing system expansion with multiple units.
  • Enhanced Chassis Design: Features an enlarged chassis with a newly designed Class-A construction, optimizing internal vibration control by balancing rigidity and flexibility.
  • Advanced Heat Management: Employs a dual honeycomb grille and semi-floating top panel for effective heat dissipation and sound clarity.
  • Precision Isolation: Equipped with pinpoint isolation feet to reduce mechanical stress and unique wave-shaped heat sinks to minimize peak resonance.
  • Convenient Control: Includes a DC trigger input for synchronized power on/off functionality.

The Grandioso S1X embodies Esoteric’s dedication to achieving the highest standards in audio reproduction, offering a pure and dynamic listening experience for discerning audiophiles.