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Audio-GD - DI-20 - Digital Interface (USB, SPDIF, I2S - DSD512 PCM384) 

€ 589
€ 487 excl VAT
Power cable (Default C13 EURO)
In stock
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  • Description
  • Specifications

Audio-GD - DI-20 Digital Converter (USB, SPDIF, I2S - DSD512 PCM384) 

Accusilicon 90/98M Edition

Built in Amanero USB interface and isolator
Built in FPGA S/Pdif interface support DOP
FPGA processes data and clock, and support SQ upgradeable
ACSS /Class S/Pdif output
R core and 13 groups ultra PSU linear power supplies
Support up to PCM384K / DSD512
FPGA firmware design by audiophile,the codes most consider by the SQ but not function


DIGITAL INPUTS

INPUT S/PDIF
RCA 75 Ohm coaxial audio input (0.5VPP @ 75 Ohm) .

INPUT 10MHz
External 10MHz clock input (0.3VPP -3VPP @ 50 Ohm)

INPUT USB
USB audio input(USB2.0/USB3.0)

UPDATE PORT 10 pins port
To connect the Altera Blaster and proceed with an FPGA firmware update from Windows, using the Altera programming software. These updates are meant for upgrading the functionality and/or sound quality .


DIGITAL OUTPUTS

AES/EBU OUT
AES/EBU output connector(5VPP @ 110 Ohm)


S/PDIF OUT STD
Standard coaxial output connector, with built-in silver wire isolation transformer. (0.5VPP @ 75 Ohm


S/PDIF OUT ACSS
Output using current transmission technology over coaxial (0.5VPP @ 75 Ohm).
This output applies the 2nd generation coaxial ACSS technology, which offers even further reduced signal degradation and better sound quality over a coaxial cable .

IIS OUT
IIS signal over HDMI output (3.3V LVDS @ 110 Ohm). It only can work with DACs using the exact same pin definition. It can NOT work with mainstream audio/video devices featuring HDMI inputs, and connecting the DI to such devices could damage it, in which case the warranty will not cover the repairs.


CLK OUT
Outputs 256fs main clock or LRCK/WCLK (3.3V LVDS @ 50 Ohm) . User-selectable .


Feature

1, Built in the Amanero USB interface that is the most compatible and steady , support WIN, OSX, IOS and Linux , and had been test with some TV that is based on Android system. (Has not test with Android phone yet ).
2, Built in 10MHz external clock input connector .
3, Built in main clock/ Wck output connector, the output clock type can set by user.
4, USB and Coaxial input (support DOP) can conversion to HDMI-IIS and coaxial output . The coaxial input and output interface had designed in the FPGA but not built in the USB chip, due the high speed of the FPGA so can improve on sound quality .
5, HDMI-IIS output can set the definitions of PCM and DSD through the display menu .
6, built in the best sound R core transformer and 13 groups ultra PSU become double stage power supplies, supplys to the different signal parts separately .
7, Built in the 150M high speed isolator between USB interface and FPGA signal processor. Because the isolator can effect the data and clock transmit, so the FPGA has corrected the timing to improved on sound quality .
8, The USB inteface and FPGA processor have applied the same clocks for avoid the different clocks effect the sound quality .
9, FPGA data process mode can select either parallel or series mode .
The USB output IIS data is series transmit mode, every data must need one clock cycle to process or transmit, one frame data ( Include L and R data) must need 64 clock cycle to process or transmit, so the data has effect by the 64 clock cycles.
But the parallel data process and transmit mode only need one clock cycle can finish the one frame data process and transmit, that can avoid the effect of clock stability .
The USB input and the S/Pdif decoder output data has recombine become dual 32bit parallel data once input , and the DSD input has recombine become dual 64bit parallel data once input.
The parallel process and transmit mode can improve the sound quality on the transparency and detail but still analog.
10, Full new configuration clock manage design built in, improved on the clock timing .
11, The display can show the sampling of PCM and DSD, and it can as the interface between human and machine, allow user change the setting in the unit .
12, Built in USB firmware update button and FPGA firmware update connector, update firmware without open the unit, and support sound quality upgradeable in future.
13, The digital data and clock even more easy effect by transmit than the analog signal, cause the DAC sound worse even can not work. So the DI-20 built in multiple strong drive ability chips to drive the different data and clock, to reduces the effect during transmit .
14, The 2nd generation ACSS SPdif output design that invented by Kingwa, which offers even further reduced signal degradation and better sound quality over a coaxial cable . The DI-20 also design standard coaxial output connector, with built-in silver wire isolation transformer.

Specifications might subject to change without prior notice for product improvement.

10M external clock

50欧 0.3Vpp- 3Vpp

S/Pdif input

0.5 Vp-p @75 Ohms

USB input

USB2.0 - USB3.0 

HDMI-IIS output

3.3V LDVS @ 100 ohms

S/Pdif output

0.5 Vp-p @75 Ohms

AES/EBU output

5Vp-p @110 ohms

Clock output

256fs clock
Wclk
DSD clock

Support operate system (USB)

Windows, OSX, Linux, ISO

Support sampling

 USB : 44.1kHz - 384kHz /32Bit DSD64-512
 Coaxial input: 44.1kHz - 192kHz / Dop
Coaxial output: 44.1kHz - 192kHz

Power Requirement

Version 1: 100-120V  AC 50/60 Hz
Version 2:  220-240V  AC 50/60 Hz

Power Consumption

8W

Package Weight

Approximately 3.5KG

Dimensions

W240 X L240 X H85 (MM, with feet, Fully aluminium )  

Accessories

No Accessories


USB SUPPORT

Download USB Amanero drivers for Windows 10
Download USB Amanero drivers for Windows 7 & 8

No drivers required for Linux and/or Mac OS
OSX 10.6+ and Linux with UAC2 compliant kernel
Microsoft Windows: KS/Wasapi/WDM/ASIO

Brand URL : http://www.audio-gd.com/R2R/DI20/DI20EN.htm
Weight: 3.5 kg
Width: 240 mm
Length: 240 mm
Height: 80 mm
Magna Hifi - Webshop: Audio-GDAudio-GD

Specifications

0.5 Vp-p
19 dBm
1.0, 1.1, 2.0 & 3.0
Windows, iOS, Linux
5
33
5
USB Cable
IEC Power Cord

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