FOSTEX HP-A8C

Pre owned. In excellent condition. Free from noticeable signs of wear. Supplied with remote control, owner's manual, and original packaging.

The Fostex HP-A8C is a high-end digital-to-analog converter designed to combine the functions of a DAC, preamplifier, and headphone amplifier within a single chassis, offering a complete and versatile solution for demanding digital audio enthusiasts. Created for listeners seeking outstanding performance without relying on multiple separate components, it combines extensive functionality with exceptionally refined build quality.

At the heart of the design is the 32-bit Asahi Kasei AK4399 DAC, partnered with a fully discrete analog output stage and a highly efficient toroidal power transformer. This sophisticated architecture delivers a sound characterized by transparency, precision, and naturalness, with an impressive ability to reveal the finest details and nuances contained in high-resolution recordings.

Its USB Audio Class 2.0 interface supports audio streams up to 32-bit/192 kHz, while asynchronous operation driven by a high-precision TCXO clock helps minimize jitter and preserve signal integrity. The HP-A8C also offers a wide range of user-adjustable settings, allowing listeners to tailor performance through selectable digital filters, clock options, and upsampling modes.

A comprehensive selection of inputs includes USB, AES/EBU, coaxial, optical, and analog RCA connections, making the unit easy to integrate into virtually any audio system. Thanks to its analog inputs, it can also function as a full-featured preamplifier, simplifying source selection and volume control within a single component.

Particular attention has been devoted to the headphone amplification stage, which employs a discrete analog design and highly precise gain adjustment. This allows the HP-A8C to drive a broad range of headphones with different sensitivities and impedances while maintaining excellent control, dynamics, and sonic refinement.

One of its most distinctive features is the integrated SD/SDHC card reader, capable of directly playing DSD and WAV files without requiring an external source device. This functionality further enhances the unit’s versatility and enables users to fully enjoy the benefits of high-resolution audio formats.

Operation is intuitive thanks to the large, high-visibility white OLED display and the dedicated remote control, which provides convenient access to all major settings from the listening position. The ability to adjust filters, source selection, clock settings, and processing parameters in real time is a valuable feature for enthusiasts who enjoy fine-tuning their system's performance.

In listening sessions, the Fostex HP-A8C stands out for its balanced, detailed, and highly musical presentation. The soundstage is spacious and well organized, with precise imaging and excellent instrument separation. High-resolution recordings particularly benefit from its capabilities, delivering rich harmonic textures and a natural character that closely resembles analog playback. Dynamic response is fast and engaging, while bass remains controlled and articulate without compromising the clarity and openness of the upper frequencies.

By combining a reference-grade DAC, preamplifier, headphone amplifier, and integrated SD player in a single component, the Fostex HP-A8C represents a sophisticated all-in-one solution for modern audiophiles, offering exceptional flexibility, advanced functionality, and sound quality that continues to make it a highly regarded choice among digital audio enthusiasts.

Technical Specifications:

• USB Input: USB Type-B connector; supports 16/24/32-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz; DSD 2.8 MHz (DoP/ASIO); USB High-Speed interface
• Optical Digital Inputs (1, 2): square optical connectors; S/PDIF format; supports 16/24-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• Coaxial Digital Input: RCA connector; S/PDIF format; supports 16/24-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• AES/EBU Digital Input: XLR-3-31 connector (Pin 2 hot); AES/EBU format; supports 16/24-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• Analog Input: Stereo RCA (L/R)
• SD Card Playback: SDHC compatible; FAT32 file system; supports DSF, WAV, and AIFF formats; 16/24/32-bit; 44.1 / 48 / 88.2 / 96 kHz; DSD 2.8 MHz
• Headphone Outputs (1, 2): standard stereo jack; maximum output 700 mW into 32 Ohms; compatible impedance 16–600 Ohms; THD ≤ 0.002%; frequency response 10 Hz – 80 kHz (±3 dB)
• Analog Output: Stereo RCA (L/R); load impedance ≥ 10 kOhms; THD ≤ 0.002%; frequency response 10 Hz – 80 kHz (±3 dB at 192 kHz)
• Optical Digital Output: square optical connector; S/PDIF format; supports 16/24-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• Coaxial Digital Output: RCA connector; S/PDIF format; supports 16/24-bit audio; 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• Dimensions (W × H × D): 213 × 78 × 315 mm
• Weight: approximately 3.8 kg