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Esoteric Power Amplifier S-05XE Class A Stereo
Welcome to the first-class of music listening. Condensing the appeal of an ultra-high-end system, this minimal and versatile, best-selling Esoteric system has evolved into the "XE" model, offering even richer musicality. With the Network DAC Preamplifier N-05XE and Class A Power Amplifier S-05XE, all that remains is to choose the perfect speakers for your system.
Experience high-end audio performance with the Esoteric S-05XE Class A Stereo Power Amplifier, engineered for exceptional clarity, refined musical detail, and a spacious, three-dimensional soundstage. Building on Esoteric’s renowned amplifier design philosophy, the S-05XE combines advanced Class A amplification with precision engineering for discerning music enthusiasts.
Pure Class A Amplification
The S-05XE delivers 30 watts per channel into 8 ohms in Class A operation and 60 watts per channel into 4 ohms. Its high-power bipolar transistor design uses a three-parallel push-pull configuration to support dynamic, detailed music reproduction.
Advanced Dual-Mono Design
A fully dual-mono architecture keeps the left and right channels independently configured, including their power-supply smoothing circuits. A newly designed, fully symmetrical balanced input buffer amplifier helps preserve signal precision, while the large 1,000 VA toroidal-core transformer supports powerful and consistent performance.
Flexible System Configuration
The Esoteric S-05XE supports Stereo, BTL, and Bi-Amp operating modes. In BTL mode, it can deliver 120 watts into 8 ohms. Its ES-Link Analog, balanced XLR, and unbalanced RCA inputs offer flexible integration with compatible high-end audio components.
Premium Engineering and Design
A semi-floating top panel, patented Pinpoint Isolation Feet, and specially shaped heat sinks reflect Esoteric’s attention to vibration control and thermal management. Designed and manufactured in Tokyo, Japan, the S-05XE brings sophisticated engineering and elegant styling to a premium audio system.
Discover the Esoteric S-05XE at Analog Matters and build a high-performance listening system around your favorite music.
Key Features
Simple. Pure. Straightforward. Circuit design philosophy inherited from Esoteric’s Grandioso amplifiers
The Class A Clarity and Detail Meet Hyper Dynamics – Esoteric's hallmark sonic signature
High-Power Bipolar Transistor in a Three-Parallel Push-Pull Configuration
30W per Channel Into 8Ω (Class A) / 60W per Channel Into 4Ω / 120W Into 8Ω (BTL)
Monoblock-Level Performance in a Stereo Chassis: Fully dual-mono construction, including power-supply smoothing circuits
Minimal NFB (Negative Feedback): Contributes to a lively, dynamic sound
Large 1,000 VA Toroidal-Core Power Transformer: Delivers enhanced dynamic performance
New Power Supply Smoothing Circuit: Enhances L/R independence and channel separation
“Grandioso Grade” Custom Capacitors: 10,000μF × 4 pcs per channel
New “Fully Symmetrical Balanced Input Buffer Amplifier”: Blocks noise and produces meticulously detailed sound
ES-Link Analog Input: Esoteric’s proprietary current-signal transmission for ultra-authentic sound
Triple Drive Mode Switch (Stereo / BTL / Bi-Amp): Supports multi-amplifier system configurations
DC Trigger: For sequential power on/off with the N-05XE
Esoteric’s Patented Isolation Feet and Semi-Floating Top Panel: Contribute to an open and natural sonic character
Wave-Shaped Heat Sink: Reduces peak resonance for a more neutral response
New Top Panel Design: Inspired by the "Dual Honeycomb Grille" design of the Grandioso amplifiers
Proudly Made in Tokyo
Spec description
Audio Performance
Rated Output Power
30W + 30W (8Ω, Class A)
60W + 60W (4Ω)
120W (BTL Mode, 8Ω)
Frequency Response
5Hz to 100kHz (+0dB, –3dB, 8Ω)
S/N Ratio104dB (IHF-A, XLR)
Distortion
0.007% (1kHz, 8Ω, 30W)
Compatible Speaker Impedance
4Ω to 16Ω
8Ω to 16Ω (BTL Mode)
Gain
28.5dB
34.5dB (BTL Mode)
Damping Factor
500
Analog Audio Inputs
ES-Link Analog
1 Pair
XLR1 Pair
Input Impedance10kΩ
RCA
1 Pair
Input Impedance10kΩ
External Control
Trigger In
1 (3.5mm Mono Mini Jack)
Input Level12V, 125mA
Trigger Through
1 (3.5mm Mono Mini Jack)
General
Power Supply
AC 230V 50Hz (Europe)
AC 120V 60Hz (US/Canada)
Power Consumption
215W (195W When no signal)
External Dimensions (W×H×D)
445 × 191 × 443mm (Including Protrusions)
Weight
25.6kg
Included Accessories
Power Cord × 1
Owner’s Manual × 1
Warranty Card × 1
Manuals
S-05XE Owner's Manual (EN, FR, SP)
S-05XE Owner's Manual (DE, IT)
Catalogues
N-05XE / S-05XE Brochure (EN)
Welcome to the first-class of music listening. Condensing the appeal of an ultra-high-end system, this minimal and versatile, best-selling Esoteric system has evolved into the "XE" model, offering even richer musicality. With the Network DAC Preamplifier N-05XE and Class A Power Amplifier S-05XE, all that remains is to choose the perfect speakers for your system.
Experience high-end audio performance with the Esoteric S-05XE Class A Stereo Power Amplifier, engineered for exceptional clarity, refined musical detail, and a spacious, three-dimensional soundstage. Building on Esoteric’s renowned amplifier design philosophy, the S-05XE combines advanced Class A amplification with precision engineering for discerning music enthusiasts.
Pure Class A Amplification
The S-05XE delivers 30 watts per channel into 8 ohms in Class A operation and 60 watts per channel into 4 ohms. Its high-power bipolar transistor design uses a three-parallel push-pull configuration to support dynamic, detailed music reproduction.
Advanced Dual-Mono Design
A fully dual-mono architecture keeps the left and right channels independently configured, including their power-supply smoothing circuits. A newly designed, fully symmetrical balanced input buffer amplifier helps preserve signal precision, while the large 1,000 VA toroidal-core transformer supports powerful and consistent performance.
Flexible System Configuration
The Esoteric S-05XE supports Stereo, BTL, and Bi-Amp operating modes. In BTL mode, it can deliver 120 watts into 8 ohms. Its ES-Link Analog, balanced XLR, and unbalanced RCA inputs offer flexible integration with compatible high-end audio components.
Premium Engineering and Design
A semi-floating top panel, patented Pinpoint Isolation Feet, and specially shaped heat sinks reflect Esoteric’s attention to vibration control and thermal management. Designed and manufactured in Tokyo, Japan, the S-05XE brings sophisticated engineering and elegant styling to a premium audio system.
Discover the Esoteric S-05XE at Analog Matters and build a high-performance listening system around your favorite music.
Key Features
Simple. Pure. Straightforward. Circuit design philosophy inherited from Esoteric’s Grandioso amplifiers
The Class A Clarity and Detail Meet Hyper Dynamics – Esoteric's hallmark sonic signature
High-Power Bipolar Transistor in a Three-Parallel Push-Pull Configuration
30W per Channel Into 8Ω (Class A) / 60W per Channel Into 4Ω / 120W Into 8Ω (BTL)
Monoblock-Level Performance in a Stereo Chassis: Fully dual-mono construction, including power-supply smoothing circuits
Minimal NFB (Negative Feedback): Contributes to a lively, dynamic sound
Large 1,000 VA Toroidal-Core Power Transformer: Delivers enhanced dynamic performance
New Power Supply Smoothing Circuit: Enhances L/R independence and channel separation
“Grandioso Grade” Custom Capacitors: 10,000μF × 4 pcs per channel
New “Fully Symmetrical Balanced Input Buffer Amplifier”: Blocks noise and produces meticulously detailed sound
ES-Link Analog Input: Esoteric’s proprietary current-signal transmission for ultra-authentic sound
Triple Drive Mode Switch (Stereo / BTL / Bi-Amp): Supports multi-amplifier system configurations
DC Trigger: For sequential power on/off with the N-05XE
Esoteric’s Patented Isolation Feet and Semi-Floating Top Panel: Contribute to an open and natural sonic character
Wave-Shaped Heat Sink: Reduces peak resonance for a more neutral response
New Top Panel Design: Inspired by the "Dual Honeycomb Grille" design of the Grandioso amplifiers
Proudly Made in Tokyo
Spec description
Audio Performance
Rated Output Power
30W + 30W (8Ω, Class A)
60W + 60W (4Ω)
120W (BTL Mode, 8Ω)
Frequency Response
5Hz to 100kHz (+0dB, –3dB, 8Ω)
S/N Ratio104dB (IHF-A, XLR)
Distortion
0.007% (1kHz, 8Ω, 30W)
Compatible Speaker Impedance
4Ω to 16Ω
8Ω to 16Ω (BTL Mode)
Gain
28.5dB
34.5dB (BTL Mode)
Damping Factor
500
Analog Audio Inputs
ES-Link Analog
1 Pair
XLR1 Pair
Input Impedance10kΩ
RCA
1 Pair
Input Impedance10kΩ
External Control
Trigger In
1 (3.5mm Mono Mini Jack)
Input Level12V, 125mA
Trigger Through
1 (3.5mm Mono Mini Jack)
General
Power Supply
AC 230V 50Hz (Europe)
AC 120V 60Hz (US/Canada)
Power Consumption
215W (195W When no signal)
External Dimensions (W×H×D)
445 × 191 × 443mm (Including Protrusions)
Weight
25.6kg
Included Accessories
Power Cord × 1
Owner’s Manual × 1
Warranty Card × 1