






Esoteric Grandioso S1X Reference Class-A Stereo Power Amplifier
The Esoteric Grandioso S1X stereo power amplifier is a flagship Class-A design that blends monumental dynamics with exquisite purity. Inheriting the engineering philosophy of the Grandioso M1X monoblock, it features a newly developed 5-parallel push-pull drive stage, oversized toroidal transformers, dual mono rectification, and custom high-capacitance components for unmatched power stability. With proprietary ES-Link Analog current transmission ensuring pristine fidelity and a chassis engineered for mechanical perfection, the S1X delivers an expansive, lifelike soundstage with triode-like warmth, high-speed transients, and limitless scale.
To secure a unit, please enquire directly regarding current availability, as lead times may vary.
Specifications
Esoteric Grandioso S1X Reference Class-A Stereo Power Amplifier
Specification | Value |
---|---|
Model |
Grandioso S1X |
Rated output |
50W + 50W (8Ω Class-A), 100W + 100W (4Ω) |
Compatible speaker impedance |
4Ω to 16Ω |
Analog audio inputs es-link analog |
× 1 pair |
Analog audio inputs xlr |
× 1 pair |
Analog audio inputs rca |
× 1 pair |
Overall dimensions |
491 × 221 × 536mm (including protrusion) |
Weight |
48kg |
Frequency response |
5Hz to 100kHz (+0dB, –3dB, 8Ω) |
S/n ratio |
109dB (IHF-A, XLR) |
Total harmonic distortion |
0.006% (1kHz, 8Ω, 50W) |
Gain xlr |
28.5dB |
Gain rca |
34.5dB |
Product Details
