Massdrop x Grace Design Standard DAC

Massdrop x Grace Design Standard DAC

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Product Description
Made in collaboration with Grace Design, a company known for its incredibly accurate, transparent studio gear, the Standard DAC sets a new standard in entry-level DACs. It applies Grace Design’s pro-audio expertise to a simpler, more accessibly priced model that makes a great addition to any home or office system Read More

Sep 16, 2021
collcts at a m zon plus free shi ppin
Aug 21, 2021
Can you connect the SDAC directly to the iPad or MacBook using a USB-C adapter or is the SDAC’s USB used as the primary power source?
May 9, 2021
Apr 13, 2021
Year 2021 Micro-usb Ok
May 20, 2021
I suspect that is only because of the increases bitrate. At audio bitrates, I suspect the egress is probably about the same. RFI egress is very much tired to signal frequency and digital is a square wave signal which is poor for egress to start with because the steep rise and fall acts like a much higher frequency than it actually is and egress is made worse with increased bitrate. This is largely because the impedance of the shield connection rises with frequency. To put things in perspective, HDMI, carrying high res video has truly appalling RFI egress many orders of magnitude worse than any digital audio. In fact it can totally bring down other nearby electronics. I think your better of using WiFi than HDMI because WiFi is very tight band while HDMI is so exceedingly broad spectrum across and probably beyond the entire GHZ bands, so the total RFI energy is greater than that of WiFi. At least, IME HDMI is by far the most problematic source of RFI egress, even worse than unshielded CAT6.
Your assuming people have lossless non-compressed audio going over a much better than standard WiFi signal. Unfortunately that's only somewhere around 1% to 5% of the planet. Find me a random home owner who has better WiFi/Cat6 than a SDAC connection and I'll be suitably impressed, until then this is just academic.
Apr 13, 2021
What kind of filter(s) does the SDAC use and do they eliminate pre-ringing?  Also, didn't it used to be $79?
Apr 13, 2021
how does the DAC work? should the input sound come from the desktop to the dac with the USB micro port?
Apr 30, 2021
Yes USB from the computer to the dac and then 3.5 to the amp which has your headphone's connected.
Feb 18, 2021
I have AUNE S6, an integrated headphone DAC & AMP. The issue is when I connect its RCA output to Nuforce STA120(bought here on DROP!) for Wharfedale Diamond 10.1, there is very obvious and constant hump noise no matter connecting to my PC via USB or SPDIF. I don't know why, and am wondering if a dedicate DAC like this one would solve the issue!?
Jan 12, 2021
This vs the topping d10/d30? The Atom amp will br used to power HE560.
Mar 30, 2021
D30 isn't bus powered. In my book, that's always a good thing. D30 pro also has a bluetooth input.
Dec 28, 2020
Having an issue with my GD SDAC I'm wondering if anyone here can offer advice on - I've had it since April 2019. I used it in combination with a Darkvoice 336SE headphone amp for a bit until the Darkvoice died - (sad story, see here: For Christmas, my wife gave me a Schiit Magni 3+ to replace the dead Darkvoice - so I brought out this little SDAC again and intended to use it with my PC for playback again. Chain is as follows: Asus Crosshair VIII Hero motherboard, Windows 10 (20H2) > USB out > Grace Design SDAC > Schiit Magni 3+ However, I am having issues getting Windows 10 to recognize the SDAC. When I plug it in, it gets power - but Windows just tells me "USB Device not recognized" and I see a listing in Device Manager that says: Unknown USB Device (Device Descriptor Request Failed) Google told me to
  • uninstall/reinstall in Device Manager
  • try using different USB ports
  • try using different USB cables
  • disable USB Selective Suspend Settings
  • disable fast startup
  • install the latest USB Drivers - I believe this is part of the chipset drivers I can download from Asus's website. I did this.
None of this has helped. I am starting to wonder if the SDAC is fried too - although it doesn't have external power and was only plugged into the Darkvoice via RCA's so I can't image it would have been impacted. Feedback welcome.
Feb 19, 2021
Read your sad story. From what I gather, since these amps are such low power devices, I don't think a surge protector would do you any good. I'm not too familiar with the amp, but I assume it draws less than 1 amperes max. I'm pretty sure 15+ amperes is considered normal operation for most surge protectors- which would be enough to kill a headphone amp. Plus I think it's more about power spikes coming into the surge protector and less about power spikes going out. I'm just saying don't blame urself for trying a different outlet. It has been forever since I've studied circuits. And I never studied tube amps in detail. It is possible instead of the dac feeding a small voltage to your amp inputs, your amp inputs fed a very large voltage back to your dac. If you heard the hum in one ear I'd blame it on one of the tubes as the culprit. If you heard the hum in both ears, I'd consider an issue with the large transformer shorting to ground on the secondary winding. Pure guesses though. All the help I can offer is suggesting the obvious of trying it on another computer if you can. Plug and play should be plug and play. Granted I see some issues with Mac users.
Dec 10, 2020
How would i connect this dac to the o2 amp and to my pc. im looking into buying these but want to make sure it will work for me.
Mar 14, 2021
PC USB > Micro on DAC > RCA from DAC to AMP > Plug headphones to amp
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