Goldmund Telos 4800

Goldmund Telos 4800 Mono Power Amplifier

The Goldmund Telos 4800 is a Swiss-made mono power amplifier delivering 1,050 watts into 8 ohms through Goldmund's proprietary Telos® Class A/B amplification technology. Encapsulating the technical brilliance of the flagship Telos 8800 within a more compact form, it sets a new benchmark in high-fidelity audio for audiophiles seeking supreme sound quality and precision.

Position in the Goldmund Lineup

The Telos 4800 sits directly below the flagship Telos 8800 in Goldmund's mono power amplifier hierarchy, offering near-identical performance specifications in a smaller chassis. It replaces the Telos 3300 NextGen and delivers more than double the power output of the Telos 2800 (450W). For stereo systems, a pair of Telos 4800 amplifiers provides dedicated mono amplification with completely separate power supplies, enabling the ultimate in channel separation and dynamic headroom.

Telos® Amplification Technology

At its core lies Goldmund's proprietary Telos® amplification technology, a meticulously engineered Class A/B circuit that merges the linearity of analog components with high-bandwidth architecture. The result is unparalleled sonic purity with ultra-low distortion and maximum efficiency. By enhancing the linearity of each amplification stage, Telos® technology virtually eliminates harmonic and intermodulation distortion. The higher-bandwidth circuit reduces group delay distortion, ensuring impeccable timing and sonic coherence across the entire audio spectrum.

Speaker Control and Signal Purity

Telos® amplifiers are designed for absolute speaker control, providing clean power while preserving the integrity of the audio signal. Proper driver control ensures high-fidelity sound reproduction without distortion or unwanted artifacts. This is particularly important in low frequencies, preventing woofer diaphragms from excessive motion that leads to unwanted vibrations. A sophisticated output impedance reduction system improves micro-dynamics, controls excessive woofer overshoot in high-power conditions, and eliminates unnaturally "boomy" bass. The Telos 4800 can drive even very low-impedance loudspeakers without compromising distortion levels, adapting effortlessly to any loudspeaker configuration.

Performance Specifications

The Telos 4800 delivers extraordinary measured performance. With a maximum power output of 1,050 watts RMS into 8 ohms and total harmonic distortion of less than 0.005% across 20Hz to 20kHz, it achieves unmatched sound clarity and power. The dynamic range of 117dB within a 22kHz bandwidth ensures that every subtle nuance of the audio is rendered with exquisite accuracy. A damping factor of 600 at 1kHz and output floor noise of less than 3μV deliver an impeccably clean and detailed sound free from unwanted background noise.

Adjustable Gain

The amplifier's gain is adjustable in 3dB increments across a ±9dB range from the nominal 35dB setting, providing precise control and customization to suit individual preferences and audio system requirements. This flexibility ensures optimal matching with any preamplifier and loudspeaker combination.

Redesigned Power Supply

The Telos 4800 surpasses its predecessor through an entirely redesigned power supply system featuring customized power capacitor banks tailored to Goldmund's strict standards. Responding to the growing demand for increased capacity and power, the amplifier is equipped with Goldmund's innovative proprietary MKP silver-metallized polypropylene film capacitors and a fully massive copper ground plane. This state-of-the-art technology ensures a supremely stable supply for the MOSFET output stage, guaranteeing optimal stability even under demanding loads.

Power Supply Innovations

Key advancements include silver-metallized capacitors providing ultra-stable power delivery, a new soft-start system for seamless power-up, enhanced energy storage for consistent power delivery, near-zero contact resistance in circuit boards and cabling to eliminate power loss, and stable power output immune to fluctuations in mains voltage for optimal amplifier responsiveness.

Fully Analog Circuit Design

Engineered with a fully analog circuit from input to output, the Telos 4800 maintains signal purity throughout the entire amplification chain. Goldmund's advanced circuit architecture separates high and low-current circuits, preventing feedback and interference for pristine audio signal transmission. The integration of Mechanical Grounding™ technology further enhances signal purity by channeling vibrations directly into the ground.

Protection Systems

Designed for reliability, the Telos 4800 incorporates advanced protection systems. Maximum thermal security and short-circuit protection are built into the design. Should temperature limits be exceeded or a short circuit occur, the amplifier automatically enters protection mode, temporarily pausing operation until conditions return to normal. This intelligent safeguard extends the amplifier's lifespan while protecting connected speakers.

Real-World Performance

Despite its immense power, the Telos 4800 delivers exceptional performance from the very first watt. Whether at whisper-quiet volumes or full-volume orchestral energy, its amplification remains pure, dynamic, and distortion-free. Many amplifiers excel in ideal laboratory conditions with resistive loads but fail to deliver truly immersive experiences with real-world passive speakers. Goldmund's amplifiers go beyond conventional benchmarks, ensuring flawless technical performance and superior real-world sonic results for the most faithful audio reproduction.

Connectivity

The rear panel provides versatile connection options for seamless integration with any high-end audio system. Signal inputs include both balanced XLR and unbalanced RCA connectors. Digital RCA input and output connectors enable integration with Goldmund's digital processors. Speaker connections include two pairs of binding posts and a Goldmund 4B proprietary connector. Additional features include a universal power socket, RS232 command port for system integration, trigger jack connector for automation, and an earth binding post with ground lift switch.

Chassis Design and Construction

Every design element of the Telos 4800 is crafted for both performance and visual appeal. The seamless aluminum chassis is precision-machined from micro-blasted aluminum, offering structural integrity and aesthetic refinement with its sleek, joint-free construction. Panel thickness has been upgraded to 15mm compared to previous collections, enhancing the amplifier's operation and reinforcing Goldmund's Mechanical Grounding principles.

Thermal Management

The 15mm-thick aluminum panels and 40mm-thick radiator chassis serve as an integrated passive heat sink, maintaining optimal operating temperatures during extended high-power listening sessions without the need for fans or active cooling systems.

Electromagnetic Shielding

The solid aluminum structure acts as a barrier against electromagnetic interference, ensuring pure, undisturbed sound transmission throughout the signal path.

Premium Components

Beyond capacitors, many electronic and mechanical components in the Telos 4800 have been designed, engineered, and fine-tuned exclusively for Goldmund's amplifiers. These proprietary elements are developed to precise specifications and are unavailable anywhere else, ensuring a unique level of sonic purity. The robust, heavy-weight envelope ensures maximum stability, while specialized resin-coated transformers minimize mechanical and electronic vibrations. Screws, connectors, and heat sinks are crafted from gold-plated copper for superior conductivity and minimal signal loss.

Mechanical Grounding™

Conic Feet technology, a core element of Goldmund's Mechanical Grounding™ system, effectively evacuates vibrations into the ground, preventing resonance buildup within the chassis. This approach ensures that mechanical energy is dissipated rather than allowed to contaminate the audio signal.

Quality Assurance

Each amplifier undergoes rigorous objective testing and subjective listening evaluations to ensure it delivers the purest, most immersive sound experience possible. Goldmund's sonic philosophy is built on absolute purity: near-zero noise, near-zero vibration, no overheating, near-zero harmonic distortion, near-zero intermodulation and ultra-low TIM distortion, and exceptionally high dynamic range.

Finish Options

The Telos 4800 embodies Goldmund's aesthetic signature and is available in both elegant gray and sophisticated black finishes. Elegant side lines harmoniously blend authenticity with avant-garde design. A distinctive gold inlay, manufactured by the same Swiss craftsmen who create embellishments for luxury watch brands, adorns each unit.

Summary

The Goldmund Telos 4800 represents a new era in high-end amplification, combining the technical brilliance of Goldmund's flagship technology with exceptional build quality and Swiss craftsmanship. With its extraordinary power output, vanishingly low distortion, proprietary capacitor technology, and meticulous attention to every detail, the Telos 4800 redefines what is possible in high-fidelity mono amplification for the most demanding audiophile systems.