13-Oct-2015, 09:14
(13-Oct-2015, 08:50)octaviars Wrote:(13-Oct-2015, 03:49)gray Wrote: You could try a Curious cable at no risk. They are generating a lot of interest here in Australia (and elsewhere).
If you don't like it they will refund you in full.
http://www.curiouscables.com/
I'm seriously thinking of getting one. The dac chip in the Devialet doesn't require power from the usb cable. I've been in touch with Rob Woodland (the Curious cable guy) and he said
"You are correct, the separate gold coloured wire is the 5V power supply. And I can omit this from the design for you - no problem.
Alternatively, I can add an in-line connector that allows you to plug and unplug the 5V power. This may make the cable more versatile - for other applications requiring the 5V."
Are you really shure the Devialet dont need the 5V? I think I have seen somewere that it needs the minus of the 5V connected to sync with the usb. I can not find it right now but someone her will know for shure.
This question pops up in almost every USB topic.
Devialet needs the 5V for handshake purposes, so to detect an active host. It does not need it for power as the USB interface inside is powered internally. Once the handshake is done it only (besides the data pair of course) needs an active ground connecion to the host, either through the shield of the USB cable or (preferred) the ground lead (pin 4) of the USB cable.
PS Audio P3, Shunyata ΞTRON Alpha Digital and HC/Furutech power cables, Paul Hynes SR7EHD-MR4, DIY Roon Server & Roon Endpoint running AudioLinux Headless, Phasure Lush^2 USB cable, Audioquest Diamond RJ/E ethernet, Uptone Audio etherREGEN, Mutec MC-3+ USB, Shunyata ΞTRON Anaconda Digital XLR AES/EBU, Devialet Expert 250 Pro CI, Nordost Tyr Reference LS cables, Von Schweikert VR-5 SE Anniversary Edition, Anti-Mode Dual Core 2.0, JL Audio Fathom F112. More detail here.
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