Esoteric S-05XE B Class A Stereo Power Amplifier – Black
Experience exceptional high-end audio with the Esoteric S-05XE B Class A Stereo Power Amplifier in Black. Designed for discerning audiophiles, this premium amplifier combines pure Class A amplification, sophisticated dual-mono circuitry, and meticulous Japanese craftsmanship to deliver detailed, dynamic, and engaging music reproduction.
Pure Class A Amplification
The Esoteric S-05XE delivers 30 watts per channel into 8-ohm speakers in Class A operation and 60 watts per channel into 4 ohms. Its three-parallel push-pull bipolar transistor configuration is designed to deliver refined musical detail, smooth tonal expression, and powerful dynamic response.
Advanced Dual-Mono Architecture
The S-05XE features a fully dual-mono construction, including independent power-supply smoothing circuits for the left and right channels. A fully symmetrical balanced input buffer amplifier and a large 1,000 VA toroidal-core transformer contribute to its carefully engineered audio performance.
Flexible High-End Audio Integration
With Stereo, BTL, and Bi-Amp operating modes, the S-05XE offers flexibility for sophisticated home audio systems. Connectivity includes ES-Link Analog, balanced XLR, and unbalanced RCA inputs for integration with compatible premium audio equipment.
Elegant Black Finish and Japanese Craftsmanship
The black finish gives the Esoteric S-05XE a refined, understated appearance suited to premium listening rooms. Its semi-floating top panel, patented Pinpoint Isolation Feet, and specially designed heat sinks reflect Esoteric's attention to mechanical stability, vibration control, and thermal management.
Bring precision-engineered Class A amplification into your listening room with the Esoteric S-05XE B, available from Analog Matters.
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
Catalogues
Esoteric S-05XE B Class A Stereo Power Amplifier – Black
Experience exceptional high-end audio with the Esoteric S-05XE B Class A Stereo Power Amplifier in Black. Designed for discerning audiophiles, this premium amplifier combines pure Class A amplification, sophisticated dual-mono circuitry, and meticulous Japanese craftsmanship to deliver detailed, dynamic, and engaging music reproduction.
Pure Class A Amplification
The Esoteric S-05XE delivers 30 watts per channel into 8-ohm speakers in Class A operation and 60 watts per channel into 4 ohms. Its three-parallel push-pull bipolar transistor configuration is designed to deliver refined musical detail, smooth tonal expression, and powerful dynamic response.
Advanced Dual-Mono Architecture
The S-05XE features a fully dual-mono construction, including independent power-supply smoothing circuits for the left and right channels. A fully symmetrical balanced input buffer amplifier and a large 1,000 VA toroidal-core transformer contribute to its carefully engineered audio performance.
Flexible High-End Audio Integration
With Stereo, BTL, and Bi-Amp operating modes, the S-05XE offers flexibility for sophisticated home audio systems. Connectivity includes ES-Link Analog, balanced XLR, and unbalanced RCA inputs for integration with compatible premium audio equipment.
Elegant Black Finish and Japanese Craftsmanship
The black finish gives the Esoteric S-05XE a refined, understated appearance suited to premium listening rooms. Its semi-floating top panel, patented Pinpoint Isolation Feet, and specially designed heat sinks reflect Esoteric's attention to mechanical stability, vibration control, and thermal management.
Bring precision-engineered Class A amplification into your listening room with the Esoteric S-05XE B, available from Analog Matters.
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
Catalogues
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