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Audio-Gd Master 7 - Discrete Fully Balanced DAC (PCM1704)
Dec 9, 2021 at 7:00 AM Post #4,336 of 4,451
Hello everyone About 3 months ago I received the monster R-7HE MK2 after comparisons with holo may.
Oh, this dac has a pretty big soundstage along with separation and cleanliness at all frequencies. In the near future I am determined to complete my upgrade plan with the HE-9 and DI-20HE Since I often use them with my Windows PC, I think the DI-20HE will be indispensable.
 
Dec 9, 2021 at 7:19 AM Post #4,337 of 4,451
Last edited:
Jan 11, 2022 at 10:48 AM Post #4,338 of 4,451
Hi, my Master 7 Singularity was bought in May 2017. Firmware has been updated to this “R7tda_Asy_P2_dsdclk.jic”. Currently using SU6 via I2S HDMI. I’m interested in the DI-20HE. I would suppose it will work seamlessly? I play mainly PCM via Foobar on Windows 10.

Would also like to know for my M7S itself, what are the options for further upgrade and what are the works involved (eg. Soldering required or plug and play). I’m in Singapore and i don’t have reliable contacts if say soldering works are required though. But just to have an idea in case i could just chance across any.
 
Jan 11, 2022 at 12:54 PM Post #4,339 of 4,451
samuelboy said:
Hi, my Master 7 Singularity was bought in May 2017. Firmware has been updated to this “R7tda_Asy_P2_dsdclk.jic”. Currently using SU6 via I2S HDMI. I’m interested in the DI-20HE. I would suppose it will work seamlessly? I play mainly PCM via Foobar on Windows 10.

Would also like to know for my M7S itself, what are the options for further upgrade and what are the works involved (eg. Soldering required or plug and play). I’m in Singapore and i don’t have reliable contacts if say soldering works are required though. But just to have an idea in case i could just chance across any.
Click to expand...
Do you have Accusilicon oscillators? That would be the largest "bang for the buck" upgrade for the 2017 platform. Soldering required. The DI20HE (I2S) may also be an improvement as low jitter sources have always made the old M7s sound their best.

The next level upgrade is 2019 that adds a new faceplate with DSP jumper controls from the front panel.

2020 upgrade adds external 10M capability, new front panel controls to select int/ext clocks. Plus sampling rate display. More complex upgrades of course for the Singularity board to make IN3 a 10M clock imput. Lots of wires, Xilinx reprogramming, new connectors for the front panel. To upgrade my 2017 M7S for 10M I just purchased a reworked 2020 Singularity board from Kingwa. It is "2020 lite" as I did not upgrade the front panel and just use one of the DSP jumpers to manually control 10M on or off.

Up from 2020 is the 2021 that adds isolated USB/ I2S adapter, a new +5V tack on power supply for the isolation. You will be required to purchase new USB and I2S adapter boards with isolation circuits plus the +5V power supply.

If this is overwhelming I would just upgrade the clocks to Accusilicon. At least to start. Made all my Audio GD DACs sound better. Then save up your money and purchase a M7S MK2. Highly recommended and a superior upgrade. You would probably spend close to $1000usd (maybe more) to upgrade a 2017 M7S to 2021. And still may not sound as good as the MK2. And with the MK2 M7S I just use internal synchronous USB (no DI20HE). That would save another $900+. Sell the 2017 M7S and you may be money ahead with the latest technology.
 
Mar 15, 2022 at 9:48 PM Post #4,341 of 4,451
Looking for some pointers on updated the firmware on the Master 7 Singularity. I have the USB blaster and Quartes setup, but when I downloaded the files from Kingwas site they download in .rar and I don't see a way to run those in Quartes to do the update. If anyone could help me I'd appreciate it! Thanks!
 
Mar 15, 2022 at 10:06 PM Post #4,345 of 4,451
Here are my steps for blasting the DI-20, should be the same for the M7S

1. Power off the DI-20
2. Connect the USB Blaster to the DI-20
3. Connect the USB Blaster to the computer
4. Power on the DI-20
5. Open Quartas Prime 16.0 Programmer
6. Click "Hardware Setup" and choose USB Blaster as Hardware Device
7. Click "Add File" and select your .jic firmware file
8. The Two Chip diagram should appear
9. Select "Program/Configure" in the section above the diagram
10. Click "Start" until "100% Successful"
11. Power off DI-20
12. Disconnect USB Blaster
 
Mar 16, 2022 at 10:27 AM Post #4,347 of 4,451
I always use Total Commander, it has such feature built in. In addition, it has two panel view, very useful for decompression files. When accessing single compressed files, it is quicker just to press Enter key while the zip/rar/lha/arj file is selected, it shows list of files, folders and subfolders. Individual files can be then viewed by pressing F3 or continuously on the second panel after pressing CTRL+q.
 
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Mar 16, 2022 at 11:11 AM Post #4,348 of 4,451
Apr 22, 2022 at 2:15 PM Post #4,349 of 4,451
Hi guys,
I have a 2016 Master 7 with Singularity board installed and v7 firmware. I'm using it with a Master 9 amp and HD800 headphones and have it connected to PC via USB Anamero 384 board.

I came across the Singxter SU-2 lately and at first glance it seems like it might be an improvement over the Anamero 384. Is anyone here using it with the Master 7. Is it worth it? Thank you.
 
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