SUGDEN AUDIO
Sugden Masterclass DAC-4 Digital-to-Analogue Converter
Sugden Masterclass DAC-4 Digital-to-Analogue Converter
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Sugden Masterclass DAC-4 Digital-to-Analogue Converter
The Sugden Masterclass DAC-4 has been developed for listeners who value musical engagement over technical complexity. Rather than chasing every emerging digital trend, Sugden has focused on a carefully engineered conversion platform designed to deliver a natural, fluid and highly involving listening experience.
Designed and hand-built in Yorkshire, England, the DAC-4 reflects Sugden's long-standing philosophy of "Rescuing music from technology". Using proprietary conversion circuitry and custom data reformatting, it aims to preserve musical coherence and tonal realism without relying on oversampling or digital filtering.
Overview
The Masterclass DAC-4 is a premium standalone digital-to-analogue converter created to elevate a wide range of digital sources including CD transports, streamers, music servers and televisions with digital outputs. Its versatile connectivity and carefully developed analogue output stage make it an excellent partner for high-quality integrated amplifiers and preamplifiers.
Instead of prioritising headline specifications, Sugden has engineered the DAC-4 around long-term listening satisfaction, focusing on timing, tonal integrity and natural musical flow.
Key Benefits
- Natural musical presentation with proprietary conversion circuitry developed entirely by Sugden.
- No oversampling or digital filtering, preserving a direct and coherent signal path.
- Supports multiple digital sources thanks to six digital inputs.
- Simple operation with front-panel input selection and digital lock indication.
- Handcrafted British construction for long-term reliability and ownership satisfaction.
Key Features
- Proprietary digital conversion architecture
- No oversampling
- No digital filtering
- Three SPDIF coaxial inputs
- Two SPDIF optical inputs
- One USB Type-B input
- Stereo RCA analogue output
- Digital coaxial output
- Front-panel input selector and digital lock indicator
- Handmade in Yorkshire, England
Ideal For
The Masterclass DAC-4 is ideally suited to discerning music enthusiasts looking to improve the analogue performance of digital sources without unnecessary processing. It integrates naturally into premium stereo systems and pairs particularly well with Sugden's own Class A amplifiers, while remaining equally at home alongside other high-end electronics.
Whether connected to a dedicated streamer, CD transport or computer-based music library, the DAC-4 is designed for listeners seeking an organic and fatigue-free presentation during extended listening sessions.
Specifications
| Product Type | Digital-to-Analogue Converter |
| Digital Inputs | 3 × SPDIF Coaxial, 2 × SPDIF Optical, 1 × USB Type-B |
| Analogue Outputs | 1 × Stereo RCA |
| Digital Output | 1 × SPDIF Coaxial |
| Output Level | 2.15 V |
| Frequency Response | 20 Hz – 20 kHz (±1.5 dB) |
| Signal-to-Noise Ratio | >80 dB |
| Supported SPDIF Resolution | 16–24 bit, 32–96 kHz |
| USB Compatibility | Up to 16-bit / 44.1 kHz |
| Power Consumption | 12 W |
| Dimensions (H × W × D) | 90 × 250 × 330 mm |
| Packed Weight | 5 kg |
| Manufacture | Handmade in Yorkshire, England |
Why We Selected This Product
Many DACs compete by offering increasingly extensive feature lists. The Sugden Masterclass DAC-4 takes a different approach, concentrating on the aspects that matter most once the music starts: tonal balance, timing, coherence and long-term listening enjoyment.
Its proprietary conversion architecture, deliberately free from oversampling and digital filtering, reflects Sugden's uncompromising design philosophy. For listeners building a refined two-channel system and seeking a DAC with genuine musical character rather than specification-driven marketing, the DAC-4 represents a compelling choice.

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