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In Reply to: RE: Hardware (& external drive) setup options? posted by Scottson on July 13, 2014 at 17:16:50
Try the USB DAC with a few favorite songs ripped to your internal hard drive. Listen the this for about a week. Then listen to the same songs on a external USB hard drive and listen for the difference. Listen for about a week and go back to the music on the internal drive. Many, many folks, and I'm not saying it's optimum or not, utilize both external USB HD's and USB DAC's to really good effect. Plenty of best in shows utilize this method without a hitch.
Edits: 07/13/14Follow Ups:
If there's concern for using USB for both, one can always place the USB DAC on a separate internal USB hub vs the USB drive. Super easy to find detailed USB tree info on the Mac, not sure about Windows. If I run an external USB disk with my USB DAC, I just be sure that they're not sharing the same USB hub.
Example screen shots of the USB tree, not my setup... just an example
BTW...
...but if I were using the MBA, it's nice that it has a Thunderbolt port that can be used for external disk unlike competing PC Ultrabooks.
MacBook Air has thunderbolt...
Yes, MacBook Air has Thunderbolt. Isn't that what I said?
But what is the point of all the then screen shots... Boredom? Why would anyone bother not using a different interface, or even making a big deal about not using one?
You don't have to wash your hands when leaving the bathroom either, but you should...
More silly YouTube videos, huh?
If you don't understand what you're seeing in the screen shots, I'm not going to explain it to you.
The OP does not have USB 3. If you read what he originally said one can surmise he had Firewire (which he confirmed) and he knew he could easily add a pcmcia esata card.
If you really want to discuss Intel architecture please go ahead...
So pictures, empty room video and cartoons are ok, but Seinfeld is forbidden... LOL
You seem to very unhappy and angry... Thankfully this is not contagious.
Not unhappy or angry. Just not willing to follow along with unsubstantiated myth that is floating around the forums. Trying to stay on topic avoiding your YouTube distractions and snide remarks.
I wasn't going to explain it to you but for the benefit of others.......
My post has nothing to do with USB 3.0 specifically. If you look at that screen shot again it clearly shows more than one root hub controller. The point being, you don't 'congest USB' by placing your USB DAC and USB HDD on separate USB controllers. And the separation is not hard to find. And if you read the bolded text it says, Example screen shots of the USB tree, not my setup... just an example .
- USB 3.0 Hi Speed Bus
- USB 3.0 SuperSpeed Bus
- USB Hi Speed Bus* [USB 2.0 implied]
- USB Hi Speed Bus* [USB 2.0 implied]
*Note the separate controllers.
You can pretty much do the same thing in Windows with the Device Manager or USB Device Tree Viewer.
For more examples see my post to Tony linked below, but sorry no silly YouTube videos. In this case, it shows my PS Audio DAC attached to it's own USB controller with no other devices on it.
"If there's concern for using USB for both, one can always place the USB DAC on a separate internal USB hub vs the USB drive. Super easy to find detailed USB tree info on the Mac, not sure about Windows. If I run an external USB disk with my USB DAC, I just be sure that they're not sharing the same USB hub."
This is pretty useless.
.
Still not a good idea. If you have no other choice fine. But not ideal in any circles. If you want to think differently fine... You can also use two paper cups and a string instead of your IPhone...
"Still not a good idea. If you have no other choice fine. But not ideal in any circles. If you want to think differently fine... You can also use two paper cups and a string instead of your IPhone..."
Did I say it was ideal? Please define ideal.
In addressing the concern for using a USB DAC and USB disk I said, "If there's concern for using USB for both, one can always place the USB DAC on a separate internal USB hub vs the USB drive."
And why is that still not a good idea?
You're on two completely separate EHCI controllers which converge into the high bandwidth Intel Platform Controller hub.... as do other I/O.
It takes slightly more effort in identifying the separate controllers for one's USB ports but that's about it. You're not 'congesting' one with two devices on it.
And why another nasty irrelevant jab (iPhones and paper cups). Is this your way of sidetracking the conversation as you often do with your silly embedded YouTube videos?
Thanks for the advice (and, no worries, nobody is freaking out). I can certainly hook the storage drive up to a different USB hub from the DAC - & I'll give it a whirl. Apparently, the received wisdom about not running DAC & drive via USB isn't set in stone. I'll see how it sounds. At the moment, I am looking at a NAS device that can be networked & connected via USB so I have some room to reconfigure if necessary. Of course, I still have to settle on a DAC ...
I've tried USB DAC with external USB Disk, as well as USB DAC with Firewire disk. Even tried Firewire DAC and USB Disk. None of these combos caused any issues or sonic degradation, at least not on the Mac Mini. Try for yourself on your system but there is no universally accepted set-in-stone 'right way' to do it.
Also, it's very easy to see who in this forum (in this very thread, in fact) speaks from experience - and who is just trying to justify their own path of the least resistance.
During the tests in my own system, it was pretty clear that SATA HD, fed from independant PS, was less harmful to the sound quality than networked drive - even though the network was enabled in both cases. I posted about it before, can be found in archives.
There you go again...
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