Singxer SU-1 USB digital interface with XMOS XU208 CPLD DSD256 DOP

SKU: SU-1
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Price: US$399.99
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  • Has many output interfaces.
  • Low jitter clock digital system interface.
  • High-performance,low noise.
  • fast response of the LDO as the main power source.

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Details

  

Driver Download: http://download.shenzhenaudio.com/drivers/Singxer-USB-Audio-Class2-Driver_v3.20.0.rar   (Win7/8/10 32/64bit, MAC 10.6+ not need, Android 4.2+ support OTG)

 

Description:
SU-1 digital interface of our team to develop a high-performance USB digital audio interface, using the XMOS latest xCORE-200 series chip. SU-1 is the independent development low jitter clock digital system interface(CRYSTEK CCHD-575/957 SERIES). SU-1 digital interface using standard USB2.0 input interface, while SU-1 has many output interfaces,including XLR Balanced Output AES,coaxial RCA and BNC,using HDMI socket output I2S port,WCLK clock output.

1.X-1 is the first use of XMOS latest xCORE-200 series USB interface digital products. New generation XMOS chip, using more advanced processing technology, performance is 2 times than the older U8 chip , reaching 1000MIPS processing capabilities.

2.It is known, the core of the algorithm is digital audio. Our team has been in digital audio field for many years, at the same time get XMOS FAE team support, we conducted a number of technical improvements and algorithms optimization on the basis of the original firmware.


Specifications:

Each output interface supports sampling rates:
PCM:
44.1KHz, 48KHz, 88.2KHz, 96KHz,
176.4KHz, 192KHz, 352.8KHz, 384KHz
(I2S support all sampling rate,S/PDIF support upper to 192KHz

DSD:
2.8 MHz (DSD64)-DoP, native
5.6 MHz (DSD128)-DoP, native
11.2 MHz (DSD256)-native
(I2S output support all DSD,S/PDIF,AES/EBU support DSD64 DOP mode)


Bits width:
the highest 32 bit over I2S output
The highest 24 bit over S/PDIF

Each interface electrical standards:
1.USB input socket is a standard USB-B type socket, USB power supply range 4.5V-5.1V;
2.RCA connector outputs standard S/PDIF signal,electrical level is 550mV (standard connection load),the output impedance of 75 ohms.
3.Power suppply input is AC 115V/230V,using TALEMA transformer.

 


Design details:
1.Carry out electricity as the mother of the acoustic design concept,pay attention to the power supply circuit design,high-performance,low noise and fast response of the LDO as the main power source.The entire board using a multi-way independent of the LDO power supply,wherein the clock even partially adopted ADI's ultra low noise LDO,in order to ensure the ultimate output performance.


2.PCB motherboard with 4-layer circuit board design,make sure you have a complete ground plane and power planes, high-speed digital design methods to ensure signal integrity and power integrity of the entire board.The clock signal special treatment, the use of package design and precise impedance control,thereby ensuring the signal quality and increase the clock anti-jamming capability.Input and output signals are to follow standard design,especially USB high speed signals using a 90 ohm differential impedance control.


System compatibility:
1:Windows XP,Windows 7,Windows 8;32/64 bit,need install driver
2:Native MacOS 10.6 and later,use own driver
3:Native Linux with UAC2 compliant kernel,use own driver
4:Android OS 4.2 and above,need support OTG function


I2S port use HDMI socket output:
1.Electrical level is 3.3V LVDS differential signa.
2.DSD ON singnal,5Vpower supply,CPLD has processed the MUTE signal,so do not need to process it again.
3.DSD ON signal can be user-defined,DSD ON signal can be connected to PIN 13,14,15,16 on the socket.
4.You can adjust the phase of PIN 1-3 and PIN 7-9 with a switch.

 

Flexible HDMI-I2S output configuration:
Switch 1-4 is for PIN13-16 on the HDMI socket.
When you turn it into "ON",it means that HDMI PIN has DSD_ON function.
Switch 5 is clock output mode,"OFF" is MCLK,"ON" is WCK.
Switch 6 is for HDMI PIN1-3 and PIN 7-9 phase,ON is positive phase,OFF is negative phase.(ON is for Gustard DAC,OFF is for PS audio)
If it is Gustard DAC,please turn Switch 3 and 6 into "ON",others are "OFF.

Switch 7 and 8 are standby.
The case of formal version(we will write it when formal version finished,now it is not formal version),we will design a hole in the back of the case,so if you want to change configuration,you do not need to open the case.


Customer Questions & Answers

John Rocke
John Rocke

Can you please provide an internal photo of the unit. I want to see what the power supply looks like. I am trying to decide between this and the DIY board.

4/27/16 11:13 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi John,Ok,i had sent to your email.Please check it.And We accept pre-order,and the SU-1 will be finished in the middle of May,we will ship it according to payment order.Thank you.

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John Rocke
John Rocke

Do the F-1 and SU-1 sound the same? The boards do look different so I am trying to understand the difference between them (besides the extra outputs of course). If only using the coax SPDIF output is there a reason the SU-1 is better than the F-1?

4/28/16 5:23 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi John.Su-1 and F-1 using the same technique.But there are SU-1 case, with linear power supply.More power, better interface.Thank you.

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Jean G.
Jean G.

Hello  Will it be possible to use this unit without modifications in the US standard voltage 110v ?  Thanks  Jean

5/6/16 10:10 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Jean.Of course.The product has a 110V version to you.We accept pre-order,and the SU-1 will be finished in the end of May,we will ship it according to payment order.Thank you.

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 RW
RW

I really think you MUST also make a DC version so that 'we' can use our own fancy linear power supplies, if you do, count me in, I will want one. There is already talk of people preferring to go with F-1 due to being able to control how it's powered.    Please consider doing this, it would be easy for you to do.    ;-)

5/7/16 1:54 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Thanks a lot for your advice,we will thinking about that.

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hoang
hoang

hi, Can you please provide how much power the board need ?

5/9/16 8:32 PM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Hoang,110v and 220V is ok.Thank you.

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Ralph
Ralph

Also like photo of inside of unit.    Thanks    Also will have I2S dip switch for HDMI (Have Audio-GD DAC which may not be standard wired?)  Can you preset the dip switch to Audio GD format if I send it wire diagram to you?  

5/18/16 7:00 PM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Ralph.The factory said that the GD signal is same to PS AUDIO.So SU-1 is support GD.However, they haven't actually tested.They will test later.Thank you.

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George
George

Do I2S Support gustard dac x-12 ?  And wonder how sound can improve

5/19/16 10:27 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi George,it is support X-12.Thank you.

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Robert Lee
Robert Lee

Hello,    Does the I2s support the Wyred4Sound Dac2 DSD SE? If so, should the switch be set to On or Off?    Thanks

5/21/16 12:07 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Robert,Yes, the switc be setting off.Thank you.

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Robert Lee
Robert Lee

Thanks for the reply. Since it works with the Gustard X12, I assume that it should also be fine working with the Gustard X20 via the I2s? Have you succeeded in using it with Hq Player and getting upsampling to work at DSD 256 or 512 over the I2s on the X20?

5/22/16 6:33 PM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Robert,yes, the factory told me that it be fine working with the Gustard X20.Thank you.

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Stig

Will preorder of the first batch be shipped before June 25th?

5/30/16 8:55 AM Asked.
shenzhenaudio.com
shenzhenaudio.com

Hi Stig.Yes,the firet batch will ship before June 25th.The first had sold out.Thank you.

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