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coolerking
164
Jun 7, 2018
Massdrop, please answer me this~
WHY the Micro (USB) interface? If this is MD made, why did you do this?
Here is my fear ~This tells me that this is really just an amp, and you threw in a DAC chip for a marketing requirement check off item. In other words, you get the sh--y connector, chip and a quick and dirty bypass of the RCA connector inputs and join the amplification path. No attention paid to layout and the DAC chip eco-system? Maybe your letting your ODM do a cut and paste of a dragonfly type of design/layout. Fu-- MRD's check off items. Someone needs to look at the bigger picture? BTW, IMHO, this is why Chinese manufacturing gets a bad name, not the manufacturing itself, but this kind of crap? Good lord, I saw a comment from a guy saying that the DAC sounds slightly better than his internal motherboard MAC DAC path. The Audioquest dragonfly products are excellent. But believe me, they are using the micro connector for very specific reasons, are paying for it. I am sure they replace lots of those, plus they probably really beefed up that interface. Sticking a micro cable into a very small light product is a lot gentler process than sticking a cable into a big fat heavy brick. The interface and connectors were spec'ed for light phones, PDA's and cameras.
Or maybe, you have a good reason? I want to be wrong. I really do.
BTW, the amp path no doubt is solid. VERY SOLID.
(But, I am sorry, doing this kind of thing just misleads the newbies who use the DAC. To them they just walk away from their foray into Audio with a "whats the big deal" attitude. They cannot tell why the unit does not sounds real good. Not good.)
Pierre111
413
Jun 9, 2018
coolerkingI would say the strain on a portable-phone targetted device would be magnitude larger than on a desktop amp. How often people are gonna unplugged the USB connector, really, for me I don't see any problem with having a Micro-USB connector, They can be quite strong, unless you find something problematic on how it's mechanically coupled to the PCB, some are not optimal of course. I don't know the particular of this but really don't see this as a problem for me. That being said it's OK to think otherwise
Redbaaron
231
Jun 13, 2018
coolerkingBasically the Grace Design SDAC is sharing a box with the MCTH amp. They integrated the connectors with the shell, but there's not much more to this. You can run a line out from the DAC without even powering on the amp, because the DAC is USB powered.
I actually like this setup, because I run powered desktop speakers from the line out without burning hours on the tube.
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