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In Reply to: RE: USB 4 posted by G Squared on December 08, 2023 at 07:22:00
yep, but for a variety of reasons i must keep my computer as a source, combined with Audirvana
as for Ghent, after some bad experiences i'm avoiding Chinese companies
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I use Audirvana on an older Macbook Pro that also only has USB-C ports, and use a Syntech usb-c to usb-a adapter that is rated to 5gbps. Not all adapters are created equal. And I also use Audirvana. I find that plugging the usb-a cable from the DAC directly into the adapter sounds better than using streaming to a Raspberry Pi that uses the same cable/dac/everything else. In fact, it is the best sounding digital I've heard in my system.
But that brings up another point. Audirvana can stream to any device running UPnP/DLNA. I mostly do that because it is more convenient having the MBP next to me on the couch even if it doesn't sound quite as good. And why doesn't it sound as good? Well, AV's claim to fame is that they've made the Mac they run on super quiet. I can't say the same about the Raspberry Pi that I use.
i'm using exactly the same Siltech adaptergood to know you prefer adapter than streaming to RP
i'd try one those cables USB-C to USB-B to bypass the adapter
at any rate, my present iMac 24" should sound better than my old 27" for two reasons:
now the power supply is external (like in the Mac laptops), and the HD is now SSD (1T)
Edits: 12/09/23
are you running a long USB cable? That could pick up some noise. For a cable I'm running a 1M Chinese Odin clone that was talked about on the cable asylum about a year ago. It was cheap enough, and they can probably make a USB-C to USB-B type too. Mine is A to B because the RPi doesn't have a C output, hence the adapter when I use it with a Mac.
nope, my USB cable is just 1 meter, and very well protected; also, it is the same cable that i used before, so it seems that the present (small) problems are due to another reason, my guess being the adapter...
Before you blame a passive adapter maybe you should consider that your iMac is noisier than your old Mac. That's a much bigger change than adding the adapter.
well, you never know for sure, but in fact the new iMac 24" should sound better than the old iMac 27", at least for 3 reasons: 1. the new M3 processor is way better; 2. the new iMac do not have internal power supply, but external, similar to Mac laptops; 3. the new HD is SSD
You would think so but not necessarily. I also would wonder whether Audirvana can control the M1/2/3 boards the way they could control the older machines. It's a different architecture. I know they ported the code over to Apple silicon but that doesn't mean the techniques they use still work. I'll have to try my M1 Macbook Air vs. my i5 Macbook Pro, if I can make it work with the TV as monitor since the screen is cracked.
When I switch from the Raspberry Pi feeding my DAC to my Macbook Pro I definitely hear a difference for the better, and when I do that I use that adapter.
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