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Audio-GD DI-24HE Digital Interface Regenerative PSU (Black)
The DI-24HE includes RCA S/PDIF & USB Input
This is a demo model and it’s in like-new condition, full warranty
The Audio-GD DI-24 is a high-performance digital interface and S/PDIF reclocker, featuring a dual Accusilicon 90/98MHz clock design and an unique regenerative power supply to provide ultra clean power. Engineered for versatility, it offers multiple clocking options: utilizing its high-precision internal clocks, operating in slave mode with an external clock, or functioning as a master clock to synchronize third-party devices. This flexibility makes it an ideal component for integration into high-end audio systems, ensuring superior signal accuracy and performance.
| Brand: Audio-GD |
| Product Type: Digital to Digital Converters (DDC) |
Audio-GD DI-24HE
Digital Interface Amanero Accusilicon 32Bit 384kHz DSD512 Black
The Audio-GD DI-24HE digital interface is based on an Amanero Combo 384 USB module coupled to a pair of Accusilicon 90/98MHz clocks. The circuit is designed to offer a plethora of options with regard to clock usage strategies: interfacing from the internal clocks, using an external clock (slave mode), or offloading the internal clock to a third-party device (master mode). This type of circuit allows integration into highly advanced audio systems.
An Altera FGPA logic circuit is responsible for generating the output signal. This high-frequency chip is isolated from the USB interface to avoid any parasitic noise, both in terms of signal conversion and clock signal accuracy.
Audio-GD DI-24HE : New features
- Integrated 50Ω and 75Ω external clock input ports.
- Integrated 10MHz clock generator. The FPGA reduces jitter and phase noise. The 50Ω and 75Ω clock outputs enable operation as an external clock, feeding the DAC's 10MHz signal. The clock outputs can be switched between internal and external clock using front-panel buttons.
- On-board isolator. USB and 10MHz clock input isolation.
- All output circuits are powered by Class A power supplies for best analog feel. The USB interface, FPGA and clocks are powered by 4 groups of DC power supplies and 5 groups of ultra-fast linear power supplies.
Audio-GD DI-24HE : Other features
- Integrated regenerative power supply, designed using Class A power supplies and symmetrical Class A amplifiers.
- The Amanero USB interface offers excellent compatibility and stability. It is compatible with Windows, OSX, iOS and Linux systems, and has been tested with certain models of Android TVs and smartphones.
- The I2S HDMI output supports PCM and DSD formats. Sampling rate can be displayed on the front panel.
- R-Core transformer and 13 groups of power supplies to power the various circuits independently.
- The USB interface and FPGA processor use the same clocks to avoid affecting sound quality.
- The FPGA's data processing mode can be parallel or serial.
- The display can show PCM and DSD sampling rates, and can be used to view and select parameters.
- Integrated USB firmware update button and FPGA firmware update connector.
Regenerative power supply
Audio-GD's HE series features Regenerative Power Supply technology, which has undergone extensive testing and research to achieve its current incredible performance. This technology uses a thick aluminum plate to separate the power supply circuits, shields the main power supply circuit and limits the transmission of interference between the power supply and the audio circuits. The quality of this power supply system can be felt right from the first listen, with more detailed reproduction, greater dynamics, deeper bass and a wider soundstage. What's more, this technology also offers a more "analog" sound reproduction.
ACCUSILICON FEMTO CLOCKS
Ultra-High Precision Femtosecond Clock
- The Ultra-High Precision Clock System anchors every digital pulse with extraordinary accuracy. This precision in timing translates to pure sound, allowing the DI-24HE to flow with grace and faithfully reproduce every detail for a clear, immersive listening experience.
S/PDIF RECLOCKER
S/PDIF RECLOCKER
A S/PDIF reclocker improves the quality of a digital audio signal by reducing jitter, small timing variations that can occur when transmitting audio data over a digital connection like coaxial. In simple terms, it takes the incoming S/PDIF signal, cleans up the timing, and then sends out a more stable and precise signal to your DAC (Digital-to-Analog Converter). This results in clearer, more accurate sound, because the DAC receives a more consistent data stream and can convert it to analog audio with less distortion or timing error..
10Mhz Reference Clock Integrated
10Mhz Master Reference Clock Output
Integrated 10MHz clock generator. The FPGA reduces jitter and phase noise. The 50Ω and 75Ω clock outputs enable operation as an external clock, feeding the DAC's 10MHz signal. The clock outputs can be switched between internal and external clock using front-panel buttons.
LED Display
Two line LED Display Indication
The display can show PCM and DSD sampling rates, and can be used to view and select parameters.
The I2S HDMI output supports PCM and DSD formats. Sampling rate can be displayed on the front panel.
TECHNICAL SPECIFICATIONS
Technical characteristics
| Specifications | |
| Product type | Digital interface |
| Inputs | 1x USB-B 1x Clock input 10MHz BNC 50Ω (0.3Vpp - 3Vpp) 1x Clock input 10Mhz BNC 75Ω (0.3Vpp - 3Vpp) |
| Outputs | 1x I2S HDMI LVDS 3.3V @ 100Ω 1x Coaxial 0.5Vp-p @ 75Ω 1x AES/EBU 5Vp-p @ 110Ω 1x Clock output 10MHz BNC, > 9dBm @ 50Ω |
| USB compatibility | Windows OSX Linux ISO |
| Supported sampling rates | USB / I2S : PCM up to 32bit 384kHz, DSD up to DSD512 AES/EBU / SPDIF : PCM up to 384kHz |
| General | |
| Supply voltage | 220-240VAC 50/60Hz |
| Consumption | 17W |
| Dimensions (L x P x H) | 360 x 240 x 85mm |
| Weight | 5kg |
| Color | Black |
| Package | 1x Audio-GD DI-24HE 1x USB cable 1x Power cable |
Audio-GD
Audio-GD is a Chinese high-end audio equipment manufacturer known for its innovative ACSS (Audio-gd Current Signal System) and Diamond Difference designs. Founded in 2004 by Mr. He Qinghua, the company has grown to offer a wide range of products including DACs, preamplifiers, and power amplifiers, all crafted with a focus on high-quality components and hand-built construction. Audio-GD's philosophy emphasizes uncompromising quality, a 10-year repair warranty, and a commitment to delivering natural, detailed, and immersive sound experiences.
Audio-GD is a brand that focuses on delivering high-quality, neutral-sounding audio equipment, often incorporating unique design elements like regenerative power supplies and discrete, balanced circuitry. They are known for their strong build quality and a commitment to providing a transparent and detailed listening experience.
