AUDIO-GD AS-1T DAC 2x ES9028Pro 3x TCXO FPGA 32bit 384kHz DSD512

AUDIO-GD AS-1 DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512
The Audio-GD AS-1 is a symmetrical DAC based on a pair of ESS ES9028Pro Digital / Analog converters. This ensures an extremely low level of distortion, very rarely achieved by this type of product and especially at such a low price.

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Reference : 13536
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More info

This Audio-GD AS-1T corresponds to the model equipped with two DAC ES9028Pro. If you wish, the the same model also exists with two ES9038Pro chips.

Audio-GD AS-1T

AUDIO-GD AS-1T DAC 2x ES9028PRO TCXO FPGA 32bit 384kHz DSD512

Audio-GD AS-1T DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512

The Audio-GD AS-1T is a symmetrical DAC based on a pair of ESS ES9028Pro Digital / Analog converters. This ensures an extremely low level of distortion, very rarely achieved by this type of product and especially at such a low price. The ES9028Pro chips feature 32-bit HyperStream II technology for high audio performance with a dynamic range (DNR) of 129dB and a THD+N of -120dB. These chips also support high sampling rates, up to 32bit 384kHz in PCM and up to DSD512 for DSD.

The two DAC ES9028Pro are also supported by an FPGA. This one is in charge of synchronizing the audio signals and thus reducing the jitter. In short, it provides a more precise and transparent sound reproduction, while drastically reducing noise. 3 TCXO clocks are also integrated, once again allowing the jitter to be reduced to a minimum thanks to optimal signal synchronization.

On the connector side, the AS-1T offers SPDIF Coaxial, Optics, USB-B, a BNC connector and finally I2S HDMI LVDS as input. At the output are XLR 3 poles, ACSS and RCA Stereo. A complete panel of connectors that satisfy the vast majority of needs, for easy integration into your audio system.

Who is the Audio-GD AS-1T for?

Unlike the other products offered by Audio-GD, this AS-1T does not have discrete outputs. It incorporates AOPs and has been optimized to offer the best possible technical specifications. It is therefore addressed to a different audience, mainly interested in exceptional measures and wishing for unfailing transparency. This exceptional sound fidelity also allows cables, rooms, speakers or any other audio product to be tested under optimal conditions.

Measurements

As with all Audio-GD products, the AS-1T has undergone a series of tests and measurements to ensure its technical quality and sound reproduction performance. To do this, the brand uses the Audio Precision SYS-2722, which is particularly renowned for the analysis of audio devices. You will therefore find these graphs below.

Technical characteristics

Specifications
Product typeBalanced DAC
DAC Chip2x ES9028Pro
FPGAYes
TCXOx3
Supported sampling rateUSB / I2S : PCM up to 384kHz - DSD up to DSD512
Coaxial : PCM up to 192kHz
Optical : PCM up to 96kHz
Inputs1x SPDIF Coaxial
1x BNC
1x Optical Toslink
1x I2S HDMI LVDS
1x USB-B
Outputs1x 3 poles XLR
1x Stereo RCA
1x ACSS
SNRXLR Output : > 120dB
THD0.0002%
Output impedance10 Ohm
Output levelRCA : 2.25V
XLR : 4.5V
2+2mA (ACSS)
Input sensitivityCoaxial 75 Ohm : 0.5Vp-p
Optical : 19dBm
Frequency response20Hz - 20kHz (< -0.1dB)
Supported OS (USB)Windows, OSX, Linux, ISO
Power supply220-240V AC 50/60Hz
Consumption23W
Package weightApprox. 5.5kg
Dimensions240 x 360 x 80mm
Housing materialAluminium
Package1x Audio-GD AS-1TT
1x Power cable
1x USB Cable

THD

Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512

Distorsion / Frequency (THD+ND)

Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512

Bandwidth

Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512

Jitter test at12kHz with stock clocks

Audio-GD AS-1TTT DAC 2x ES9028PRO FPGA 32bit 384kHz DSD512
 
Data sheet
InputI2S via HDMI
InputUSB-B
InputUSB Amanero
InputOptical
InputBNC
InputUSB 2.0
InputSPDIF
OutputRCA
OutputACSS
OutputXLR
DAC ChipES9028PRO
Max sampling rate384kHz
Max sampling rateDSD512
ColorBlack
NetworkingNo
Remote ControlNo
 
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AUDIO-GD AS-1T DAC 2x ES9028Pro 3x TCXO FPGA 32bit 384kHz DSD512
The Audio-GD AS-1 is a symmetrical DAC based on a pair of ESS ES9028Pro Digital / Analog converters. This ensures an extremely low level of...

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