ACCUPHASE DP-510

Pre owned. In excellent condition. No visible signs of wear. Supplied with remote control, manual, and original packaging.

The Accuphase DP-510 is a reference-class CD player manufactured in Japan between 2010 and 2012, embodying the rigorous and uncompromising design philosophy of the Accuphase brand, a historic Yokohama-based manufacturer founded in 1972 and globally renowned for producing high-end audio electronics. The model is designed with the goal of extracting every possible detail from the digital source, reflecting an engineering approach in which each component is either developed in-house or selected according to extremely strict criteria, with no concessions to market trends.

At the heart of the DP-510 lies the MDS++ (Multiple Delta-Sigma) D/A conversion system, which employs six high-performance delta-sigma converters per channel operating in parallel to significantly reduce noise and distortion. This architecture delivers an exceptionally low noise floor, a dynamic range of approximately 110 dB, and channel separation capable of reconstructing the soundstage with outstanding precision and stability. Complementing the conversion stage is a Direct Balanced Filter, designed with completely independent signal paths for balanced and unbalanced outputs, ensuring uncompromised signal processing with dedicated low-pass filters for each topology.

The transport mechanism of the DP-510 is developed in-house by Accuphase with extreme attention to mechanical precision and operational stability. The highly rigid chassis minimizes vibration and manufacturing tolerances, while the loading mechanism ensures smooth and silent disc playback. The entire system is engineered to operate in perfect synergy with the electronic section, with the aim of preserving all information contained on the digital disc.

The player also integrates coaxial and optical digital inputs supporting up to 192 kHz/24-bit, allowing the DAC section to be used with external sources, and provides digital outputs for additional system flexibility, including integration with dedicated room correction systems. This versatility makes it a central component in high-end audio configurations.

In listening, the DP-510 stands out for its exceptionally balanced and natural performance, characteristic of Accuphase’s philosophy, where neutrality is not translated into coldness but into transparency and realism. The sound is precise without becoming analytical, with vocals emerging with body and presence, fast and clean transients, and a wide, stable, and deeply layered soundstage. Instrument timbre is reproduced with great fidelity, contributing to a convincing and engaging musical reconstruction.

It is not a player designed for immediate impact, but rather a component that reveals its qualities over time, offering an increasingly rich and rewarding listening experience as familiarity grows, ultimately becoming a stable reference in high-fidelity digital reproduction.

Technical specifications:

• Type: CD player with integrated DAC
• D/A converter: MDS++ (6 delta-sigma converters per channel in parallel)
• Analog filter: Direct Balanced Filter (separate paths for balanced and unbalanced outputs)
• Frequency response: 4 Hz – 20 kHz
• Signal-to-noise ratio (S/N): 114 dB
• Dynamic range: 110 dB
• Channel separation: 110 dB
• Total harmonic distortion (THD): 0.001%
• Analog outputs: XLR balanced; RCA unbalanced
• Digital inputs: coaxial up to 192 kHz/24-bit; optical
• Digital outputs: coaxial; optical
• Balanced output phase selector: present
• Finish: champagne
• Dimensions (W x H x D): 465 x 151 x 393 mm
• Weight: 17.8 kg