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• Rated Output Power: 30W + 30W (8Ω, Class-A), 60W + 60W (4Ω)

• Dual monaural construction

• Esoteric’s proprietary current signal transmission, “ES-Link Analog” Input

• Bi-polar 3 Parallel Push/Pull

• 940VA Large EI-core power transformer

• Esoteric custom capacitors (10,000μF × 4/ch)

• Balanced input amplifier

• BTL / Bi-amp mode switch for dual amplifier configuration

• BTL: 120W/ch (8Ω)

 

Key Features

  • Lavish material employment, simple and straight circuit design concept borrowed from the Grandioso M1X
  • Finely detailed Class-A sound with super dynamics – an Esoteric’s signature tone
  • Dual monaural construction in all stages including current smoothing circuit for better channel separation
  • Esoteric’s proprietary current signal transmission, “ES-Link Analog” delivers music signal with exceptionally high power and fidelity.
  • High capacity bi-polar 3 parallel push/pull circuit that instantaneously responds to the music signal
  • 940VA large EI-core power transformer that responds to dynamic current supply changes with high speed
  • Large “Grandioso grade” custom capacitors on each channel (10,000μF × 4/ch)
  • Balanced input amplifier for stable, noise-free signal transmission
  • BTL / Bi-amp mode switch for dual amplifier configuration
  • DC Trigger for sequential power ON/OFF with the N-05XD
  • Esoteric’s unique isolation feet and semi-floating top panel
  • Unique shaped heat sink to minimize its own peak resonance

 

The Esoteric S-05 stereo power amplifier is all about delivering the unique tones of music, and it borrows engineering techniques from the Grandioso M1X monoblock.

 

This amp is packed with cool features like dual monaural construction, a balanced input amplifier for noise-free signal transmission, and a bi-polar 3 parallel push/pull circuit that responds super fast to music signals. Plus, it's got a large power transformer, high-capacity custom capacitors, and an ES-Link Analog input for super high-fidelity music signal transmission.

 

This amp is compact, pure, and class A, and it's got a uniquely shaped heat sink to minimize its own peak resonance. The S-05 is a new milestone in Class A amplifiers, and it's the culmination of ESOTERIC's commitment to creating an amp that's a sincere pursuit of what an amplifier should be.

 

This Class A stereo power amplifier is all about bringing out the passionate and vivid colors of music, with a dense, low-distortion sound that's perfect for audiophiles. ESOTERIC's unique current transmission system, ES-LINK Analog, is less susceptible to noise and sends the full energy of the music to the amplifier. So, you get high fidelity and powerful drive capability with open-ended dynamism.

 

If you're looking for a serious upgrade for your music setup, the S-05 is the way to go. With this amp, you'll experience the birth of an all-new level of sound quality.

Esoteric S-05 Class A Stereo Power Amplifier

$12,500.00Price
Color
In-Store Only/Call to Purchase
Speaker output  
Rated output power 30W + 30W (8Ω, Class-A)
60W + 60W (4Ω)
120W (BTL mode, 8Ω)
Compatible Speaker Impedance 4Ω to 16Ω
8Ω to 16Ω (BTL mode)
Analog audio inputs  
ESL-A 1 pair
XLR 1 pair
RCA 1 pair
General  
Power consumption 245W (210W at no signal)
External dimensions (W×H×D) 445 × 191 × 444mm
17-½" × 7-½" × 17-½" (including protrusions)
Weight 30.7kg / 67-¾ lb

 

Audio performance

Frequency response 5Hz to 100kHz (+0dB, –3dB, 8Ω)
S/N ratio 102dB (IHF-A, XLR)
Total harmonic distortion 0.007% (1kHz, 8Ω, 30W)
Compatible Speaker Impedance 4Ω to 16Ω
8Ω to 16Ω (BTL mode)
Gain 28.5dB
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