睿志音响

　

FPGA firmwares download
Click to read the Update guide
(Only for who can do the update process by himself, we don't reply any questions about the update process, if you have any questions about the update process, please download and read the guide of every model or ask in here
https://www.head-fi.org/threads/audio-gd-di-20.918123/page-117 )
　

Please note:
1,Master 7 Singularity and Master 11 Singularity users can download the R7 firmwares to update the unit. (Check the IN4 input type to download the correct firmware ).
2, The R2R 7 (without front plate mode control) users can download the R7 firmwares (Check the IN4 input type to download the correct firmware, the firmware release in 2019 had included the jumpers setting guide. ).
　

R-7 2021 and R7 HE 2021
R7-2021_PLL_N (Nov.2021)	Optimize the external clock connect performance .
R7_2021_N (Nov.2021)	A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .

R7 20 version and R7HE 20 version
R7-2020_PLL_N (Nov.2021)	Optimize the external clock connect performance .
R7_2020_N (Nov.2021)	A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .
R7tda_Asy_Ext10M_dop1.1 (Mar.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R7tda_Asy_Ext10M_dop (Oct.2019)	Support DOP

R-8 MK2 (The R_8EC for the shipped later than 31st. Sep. 2021 can update directly, Shipped later than 27th. July 2021,before 31th.Sep.2021, want to replace the MCU without soldering which is quite simpe, price is USD10 exclude shipping cost.)
R8_MK2 (Oct.2021)	For R8 EC change to R8 MK2 model.(For all R8 MK2 model.)
R-8_EC (Oct.2021)	For R8 MK2 change to R8 EC model.

R-7 MK2 and R7 HE MK2
R7 MK2_PLL_N (Oct.2021)	Optimize the external clock connect performance .
R7 MK2_N (Oct.2021)	A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .

DI-20 and DI-20HE
DI-20V4.076 (Oct. 2020)	Based on the beta versions fixed more bugs.
DI-20V4.075 (Oct. 2020)
DI-20V3.933 (Oct. 2020)
DI-20V4.07Beta1 (June. 2020)	Fixed the known bugs. Upgrade the timing design method for USB input. Support hardware design DOP over coaxial output, users don't want change the setting in the computer, play DSD64 that can support through coaxial output.
DI-20V3.99 (June. 2020)	Increase the SPDIF input performance ,fixed bugs .
DI-20V3.93 (June. 2020)	1,Based on Mutec REF10 to improved on the performance of external clock input 。 2,Support external clock input level from 0.1V to 5V of Sine wave and Square wave . 3,Improved on sound quality for IIS output (Built in clocks and external clock).
DI_20V3.32 (Nov. 2019)	Original firmware.

R-1 (Not R2R-1)
R121_N211014 (Oct.2021)	Only for R-1 2021 edition. A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .
R1_2021 (Dce.2020)	Only for R-1 2021 edition.
R1tda_Asy_P_dop1.1 (Mar.2020)	Support DOP, removed DSD/PCM popping sound while change the track.
R-1_Parallel_DOP (Oct.2019)	Support DOP, removed DSD/PCM popping sound while change the track.
R-1_tda_Asy3 (July.2019)	Has the option to simulate TDA1541 sounding and removed DSD/PCM popping sound while change the track.
R-1_tda (Apr.2019)	Has the option to simulate TDA1541 sounding.
R-1_V3 (Jul. 2018)	Class firmwares.

R-8,R-8HE and R-27 (Shipped since 31st.July.2019 or users swap the HDMI BCK and MCLK wires)
R2721M21_1013 (Oct.2021)	Only for R-8,R-8HE,R-27 2021 editions. A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .
R8_2021 (Dce.2020)	Only for R-8,R-8HE,R-27 2021 editions.
R-8_tda_Asy_P_dop1.1 (Mar.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R-8_P_DSDCLK (Oct.2019)	Removed DSD/PCM popping sound while change the track.
R-8_Parallel_DOP (Oct.2019)	Support DOP, removed DSD/PCM popping sound while change the track.
R-8_tda_Asy3 (July.2019)	Has the option to simulate TDA1541 sounding and removed DSD/PCM popping sound while change the track.

R-28
R28_2022 (Oct.2021)	Only for R-28 2022 editions. A,fixed the noise issue when HDMI, spdif no connected . B,reduce the DSD/PCM switch popping sound. C, Compatible Amanero optimize for Linux firmware .
R28_2021 (Dce.2020)	Only for R-28 2021 editions.
R-28_Parallel_DOP1.1 (Mar.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R-28_Parallel_DOP (Oct.2019)	Support DOP, removed DSD/PCM popping sound while change the track.
R-28_tda (Apr.2019)	Has the option to simulate TDA1541 sounding.
R-28_V3 (Jul. 2018)	Class firmwares.

R7 20 version and R7HE 20 version
R7tda_Asy_Ext10M_dop1.1 (Mar.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R7tda_Asy_Ext10M_dop (Oct.2019)	Support DOP

R-7 ,R2R7,R7HE and R2R7HE (Optical on IN4)
R-7_Parallel_DOP1.1 (Nov.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R-7_P2_DSDCLK (Oct.2019)	Removed DSD/PCM popping sound while change the track.
R-7_Parallel_DOP (Oct.2019)	Support DOP, removed DSD/PCM popping sound while change the track.
R-7_tda_Asy3 (July.2019)	Has the option to simulate TDA1541 sounding and removed DSD/PCM popping sound while change the track.
R-7_tda (Apr.2019)	Has the option to simulate TDA1541 sounding.
R-7_V3 (Jul. 2018)	Class firmwares.

R2R7 and R2R7HE (HDMI on IN4)
R-7_Parallel_DOP1 .1_IIS3 (Nov.2020)	Support DOP, removed DSD/PCM popping sound while change the track and remove the noise while select HDMI input but no connected.
R-7_P2_DSDCLK_IIS3 (Oct.2019)	Removed DSD/PCM popping sound while change the track.
R-7_Parallel_DOP_IIS3 (Oct.2019)	Support DOP, removed DSD/PCM popping sound while change the track.
R-7_tda_Asy3_IIS3 (July.2019)	Has the option to simulate TDA1541 sounding and removed DSD/PCM popping sound while change the track.
	Has the option to simulate TDA1541 sounding.
R-7_V3_IIS3 (Jul. 2018)	Class firmwares.

R-8 and R-27 (Shipped before 31st.July.2019 and users have not swap the HDMI BCK and MCLK wires)
R8_2021 (Dce.2020)	Only for R-8,R-8HE,R-27 2021 editions.
R-8_tda (Apr.2019)	Has the option to simulate TDA1541 sounding.
R-8_V3 (Jul. 2018)	Class firmwares.

Master 7 and HE7 (befor 2017,Non Singularity version), Reference 7, Reference 5, DAC19
Master 7 V7 (May.2016)	Support up to 384KHz on IIS and USB inputs.
Master 7 V5 (Oct.2009)	Original version,192K support on USB and IIS inputs.
Update guide	http://www.audio-gd.com/Master/Master-7_384/DSPupdataEN.htm
升级指引	http://www.audio-gd.com/Master/Master-7_384/DSPupdataCH.htm

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