GUSTARD U16 ES8620 Support PCM32bit/768K DSD512 DOP And Native DSD Digital Interface

US$299.00

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US$299.00

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Product Details

 

Driver & Firmware Upgrade:  https://download.shenzhenaudio.com/Gustard/

 

 

Adopting the latest USB audio interface solution ES8620 from ESS, USA

Supports up to PCM 32bit/768KHz and DSD512, and supports both DoP and Native DSD.

ESS's USB interface chip design is a completely optimized architecture for high-quality digital audio signal processing. It is not a general-purpose chip with USB digital audio interface code, so it has immediate impact on sound quality improvement;


 

A 128MB SDRAM is used as the system buffer and digital audio processing FIFO. Most of the space is used for internal scheduling of the USB interface master IC, and the redundant space is reserved as much as possible to ensure that other business logic operations other than the USB audio interface function in the main control IC do not interfere with the digital audio processing flow.

For optimal digital audio performance, digital audio processing FIFO capacity is reduced to a minimum to ensure minimum latency and jitter performance;

 

 

In order to ensure the highest quality digital audio signal and the lowest clock jitter performance, the machine uses up to three FPGAs to implement USB audio interface clock management and external 10M clock part of the audio clock frequency synthesizer, all using independent power supply to avoid FPGA Internal wiring interferes with each other;

 


In the USB audio interface part, an FPGA is used to implement the USB audio interface master IC running in the Slave mode.

That is, the USB interface main control IC receives the audio clock signal generated by the clock management FPGA and outputs only the digital audio data signal, thereby minimizing the digital signal interference introduced by the USB transmission link;

 


The audio clock synthesizing circuit of the external 10M clock part uses two FPGA main clock frequency synthesizers corresponding to the 44.1KHz and 48KHz fundamental frequencies respectively, which avoids the crosstalk of the internal wiring of the FPGA on the one hand, and also drains the FPGA chip on the other hand. The related resources, the frequency accuracy and jitter performance of the final synthesized audio main clock signal have reached the limit performance level of the current design;



The local audio clock source uses a dual femtosecond clock. This unit uses two US ACCUSILICON AS318-B ultra low phase noise crystals as the local audio clock source, RMS jitter as low as 88 femtoseconds (10Hz-1MHz); built-in audio dedicated toroidal transformer.



Built-in audio dedicated toroidal transformer;


 

IIS:

 


Product specifications

Digital input:

USB port: USB Type-B female port, support USB2.0


10M BNC input: input impedance 50 Ohm, maximum input amplitude 16dBm


Digital output:

RCA coaxial S/PDIF port: output impedance 75 Ohm, output level 500mVpp @75 Ohm load
24bit 44.1k-384k/DOP64-128


XLR AES3 port: output impedance 110 Ohm, output level 2.1Vpp @110 Ohm load
24bit 44.1k-384k/DOP64-128


OPTICAL TOSLINK port: 24bit 44.1k-192k /DOP64


Multi-function BNC port:
output impedance 75 Ohm, S/PDIF output level:750mVpp @75 Ohm load
Word Clock output level:3.3Vpp MAX @ noload
S/PDIF support specification (when S/P OUT is selected): 24bit 44.1k-384k/DOP64-128
Word Clock output frequency (when WCK OUT is selected): PCM: 44.1k-768k.
DSD: 2.82M-22.57M


IIS over HDMI interface (non-standard HDMI interface):
differential I2S signal with LVDS output level,
PCM: 32bit 44.1k-768k, DSD 2.82M-22.57M (DSD64-DSD512)


Other specifications

AC power supply: AC 115V/230V 50/60Hz
Power consumption: <15W
Dimensions: width 220mm * height 50mm * depth 170mm (without protruding parts)
Weight: 2.5Kg (including packaging)

Questions & Answers

  • Q: I am using an auralic aries digital player and an Audio-GD DAC with i2s input (same as ps audio standard). Will the u16 work with both of them? Which shipping carrier will be for Canada?
  • A: Hi David , the U16 can work with them.The U16 can be switched to the psa standard.Generally, we will use DHL to ship this unit to Canada.Thank you!
  • David 1/27/19 2:11 AM Asked.
  • Q: Does the U16 USB driver support KS (windows kernel streaming) ?
  • A: Hi ma, yes,it can.Thank you!
  • ma 1/25/19 9:33 AM Asked.
  • Q: hi, what is the last version of driver for U16?
  • A: Hi paolo, you can download the driver from this link: https://download.shenzhenaudio.com/Gustard/ Thank you!
  • paolo 1/24/19 10:12 AM Asked.
  • Q: Hello How much does it cost to send the Gustard U16 to Argentina with DHL or FedEx (no other postal service)? Do you have a HiFi power cord (with EU plugg) and a HiFi HDMI cable you can offer me to be sent with the U16 in the same shippment? Kind regards
  • A: Hi Pedro,We can send this unit to your country for free.Generally, the package doesn't include the power plug and HDMI cable.But we can send the power plug together with the unit if needed.Thank you!
  • Pedro 1/19/19 10:59 AM Asked.
  • Q: So the cable to use for this device is not a HDMI cable? what cable should i be using?
  • A: Hi joseph, Generally, the HDMI cable needs to be customized.You can refer to the IIS parameter.Thank you!
  • joseph 1/14/19 11:56 AM Asked.