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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'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.
1 | Firmware update port and USB firmware reset button |
2 | USB-B input |
3 | Power input |
4 | AES/EBU 110Ω output |
5 | 75Ω coaxial output |
6 | 75Ω 10MHz BNC output |
7 | 50Ω 10MHz BNC output |
8 | I2S HDMI LVDS output |
9 | 75Ω 10MHz BNC input |
10 | 50Ω 10MHz BNC input |
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 |
Input | USB |
Input | BNC |
Output | AES/EBU |
Output | I2S LVDS via HDMI |
Output | BNC |
Output | Coaxial SPDIF |
Max sampling rate | 384kHz |
Max sampling rate | DSD512 |
Color | Black |
Interface chip | Amanero 384 |