Greetings, In the case of the X32 usb interface, it is powered by the same rails as the console. According to Music-Tribe the clip point on the x32 usb interface and their other expansion cards is +16dbm Interface is 24 bit at whatever sample rate the console is running. I haven't put it on the test bench, but that spec would put it in line with the channel inputs on the console which I guess makes sense.
Tim Camp WZEW-FM On Wed, Aug 21, 2019 at 10:46 AM Hoggins! <[email protected]> wrote: > This interface has its own power supply, so I guess it shouldn't be a > problem to have internal ±15 vdc available, right? > > Le 21/08/2019 à 17:43, Fred Gleason a écrit : > > Curious: how much headroom do you get with those? This has been the big > > downside of most USB audio devices I've tested, including those with > > balanced I/O: they max out at around 0 dBm. This is largely due to the > > limitations of the USB power connection (+5 vdc @ 100 mA max), whereas > > a true 'pro' balanced output requires a bipolar ±15 vdc power supply > > to achieve the accustomed headroom of around +20 dBm. > > > > Cheers! > > > _______________________________________________ > Rivendell-dev mailing list > [email protected] > http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev > -- Tim Camp Director of Operations/Programming Dot Com Plus L.L.C. dba WZEW-FM WNSP-FM Mobile, Al. -- Tim Camp Director of Operations/Programming Dot Com Plus L.L.C. dba WZEW-FM WNSP-FM Mobile, Al.
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