gaissei ultima2800MK3 MAX

Description

The **gaissei ultima 2800MK3 MAX** flagship monoblock power amplifier represents the newest pinnacle of SP-AUDIO engineering philosophy — a statement product created for audiophiles who demand absolute authority, breathtaking musicality, and uncompromising craftsmanship.

 

From its industrial design to its internal architecture, the ultima2800MK3 MAX was engineered with a singular purpose: to deliver a listening experience that rivals — and in many aspects surpasses — the world’s most prestigious ultra high-end amplifiers, while maintaining a far more attainable price-to-performance ratio.

 

## A True Flagship Born for Extreme Loudspeaker Control

 

The gaissei series has always pursued the philosophy of balancing aesthetics, engineering precision, and emotional musical reproduction. With the ultima2800MK3 MAX, SP-AUDIO introduces its latest breakthrough in both sound performance and industrial design.

 

At the center of the front panel is a luxurious 10-inch LCD display featuring an advanced custom-designed UI interface, allowing seamless interaction between listener and amplifier. The chassis features a premium matte-textured finish inspired by the minimalist design language of Naoto Fukasawa, combining timeless elegance with modern architectural strength.

 

Despite its minimalist appearance, the ultima2800MK3 MAX is an absolute powerhouse designed to effortlessly control the world’s most demanding loudspeakers.

 

 

# Extreme Power. Absolute Control.

 

The ultima2800MK3 MAX delivers truly astonishing driving capability combined with exceptionally low distortion and limitless current reserves.

 

Output Power:

 

* 1000W RMS into 8Ω

* 1600W RMS into 4Ω

* 3000W RMS into 2Ω

 

With a dynamic range of approximately 110 dB, the amplifier reproduces music with explosive dynamics, lifelike realism, and effortless authority.

 

Even highly demanding loudspeakers with complex impedance curves are driven with complete ease and composure.

 

Whether paired with massive full-range systems or ultra-low sensitivity reference speakers, the ultima2800MK3 MAX maintains iron-fisted bass control, holographic imaging, and unrestricted dynamic scaling.

 

 

# Massive Power Supply Architecture

 

Each monoblock is built around an enormous dual-transformer power supply design using:

 

* 2 × 2500VA ultra-high-current toroidal transformers

* Total transformer capacity: 5000VA

* 12 × custom SP-AUDIO 22,000µF capacitors

* Total capacitance: 264,000µF

 

Every transformer is individually housed inside its own metal shielding enclosure to minimize magnetic leakage and electrical interference.

 

To further eliminate mechanical vibration, SP-AUDIO developed a suspended damping isolation structure using six dedicated anti-vibration dampers for each transformer assembly. This floating installation system dramatically reduces resonance contamination and preserves micro-detail retrieval during high-power operation.

 

 

# Advanced High-Speed Power Delivery

 

The AC-to-DC conversion stage employs 16 ultra-high-power Silicon Carbide (SiC) rectifier diodes.

 

Compared to conventional rectifiers, SiC technology provides:

 

* Lower forward voltage drop

* Near-zero reverse recovery noise

* Faster switching speed

* Reduced energy loss

* Superior thermal efficiency

 

This allows the amplifier to sustain enormous current delivery continuously while maintaining exceptional speed, transparency, and dynamic response.

 

To maximize conductivity, SP-AUDIO implemented heavy pure-copper busbars plated with 9999 gold, significantly reducing contact resistance while enhancing long-term reliability and current transfer efficiency.

 

The result is a power delivery system capable of explosive transient attack while preserving tonal refinement and musical naturalness.

 

 

# Fully Symmetrical HNB Circuit Topology

 

Internally, the ultima2800MK3 MAX uses SP-AUDIO’s proprietary symmetrical HNB low-feedback amplification architecture.

 

This advanced design achieves:

 

* Extremely wide bandwidth

* Exceptional current output capability

* Fast transient response

* Powerful speaker damping

* Remarkably low distortion

 

Unlike conventional high-feedback amplifier designs that often sound sterile or mechanical, the HNB circuit preserves natural timbre, harmonic richness, and musical flow while still delivering tremendous speed and control.

 

 

# Built Like an Audio Sculpture

 

The entire chassis is precision CNC-machined from massive aluminum alloy panels.

 

Key construction highlights include:

 

* 12mm thick aluminum front and rear panels

* Oversized full-body aluminum heatsink structure

* Fully integrated thermal conduction design

* Optimized mechanical rigidity and vibration control

 

The silver-grey finish combined with contrasting black heatsinks gives the amplifier a bold three-dimensional visual presence that resembles modern industrial art more than traditional audio equipment.

 

For discerning owners seeking exclusivity, SP-AUDIO also offers optional custom finishes including black and red private-edition versions.

 

 

# Intelligent Mechanical Grounding

 

The amplifier is equipped with SP-AUDIO’s exclusive air-suspension isolation footers designed to channel unwanted vibration away from the chassis structure.

 

This significantly lowers mechanical coloration and enhances clarity, imaging precision, and low-level detail retrieval.

 

For maximum performance, SP-AUDIO recommends installation on rigid flooring and high-mass equipment racks.

 

 

# Sound Signature

 

The sonic character of the ultima2800MK3 MAX embodies SP-AUDIO’s core philosophy:

 

Naturalness. Musicality. Texture. Dynamics. Emotion.

 

Its presentation combines:

 

* Deep, authoritative, highly controlled bass

* Rich and magnetic midrange density

* Exceptionally refined treble extension

* Massive soundstage scale

* Explosive macro-dynamics

* Delicate micro-detail retrieval

 

Unlike many ultra-high-power amplifiers that prioritize brute force over musicality, the ultima2800MK3 MAX preserves warmth, liquidity, and emotional engagement while maintaining absolute control over the loudspeaker.

 

The overall presentation is effortless, transparent, fast, and highly immersive.

 

 

# System Matching Recommendations

 

Recommended Preamplifiers:

 

• SP-AUDIO gaissei series preamplifiers for ultimate system synergy

 

Recommended Loudspeakers:

 

* Dynaudio Evidence Master

* ATC flagship systems

* Magico reference series

* Wilson Audio large floorstanders

* Other low-sensitivity, difficult-to-drive flagship loudspeakers

 

Recommended Environment:

 

* Listening rooms above 30㎡

* Dedicated high-quality AC power lines strongly recommended

 

 

# Technical Specifications

 

Model: gaissei ultima2800MK3 MAX

Type: Flagship Monoblock Power Amplifier

 

Power Output:

 

• Mono:

 

  * 1000W RMS @ 8Ω

  * 1600W RMS @ 4Ω

  * 3000W RMS @ 2Ω

 

• Stereo Mode:

 

  * 350W RMS @ 8Ω

  * 600W RMS @ 4Ω

  * 1000W RMS @ 2Ω

 

Dynamic Range: 110 dB

THD+N: < 0.05%

Output Noise: < 1mV (20Hz–20kHz)

Damping Factor: Approx. 400 (1kHz / 8Ω)

 

Transformer Capacity: 5000VA

Filter Capacitor Capacity: 264,000µF

 

Inputs:

 

* RCA

* XLR

 

Power Requirement:

 

• 110V–240V AC

 

Dimensions:

 

• 480 × 590 × 260 mm

 

Weight:

 

• 82 kg per unit

 

Price:

 

• USD $26,800 per pair

 

 

# A New Reference in High-End Amplification

 

The gaissei ultima2800MK3 MAX was created for serious audiophiles who demand the scale, control, and authority of the world’s finest amplification systems — without sacrificing musical soul.

 

It is not merely designed to play loudly.

 

It is designed to reproduce music with the effortless realism, emotional depth, and limitless dynamic authority of a true reference-class amplifier.