linuxaudio.org

On Sat, 21 Nov 2009 01:30:24 +0100

Robin Gareus  wrote:
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> Giso Grimm wrote:

> > Robin Gareus wrote:

> >> Andrew C wrote:

> >>> <...>

> >>> I'm considering buying a USB Audio interface from thomann.de, can

> >>> anyone reccommend one that's under 100 or 200 euro that works

> >>> under linux?

> >>> http://www.thomann.de/ie/cat.html?gf=usb_audio_interfaces&oa=pra

> >> <...>

> >>

> >> I own a Edirol UA-25 and am very happy with it, alas it does not

> >> seem to be available from thomann.de.

> >>

> >

> > It is now called 'cakewalk'

>

> OMG. Thanks for keeping me up to date.

>

> > http://www.thomann.de/ie/cakewalk_ua_25_ex_cw.htm

>

> just for the record: They're cheaper elsewhere.

>

> > My experience with that device is very good (although I only used

> > the former Edirol version). A good feature is that it is completely

> > USB powered (without significant distortion).

>

> Indeed, even with the built-in phantom power it is. The Hi-Z switch is

> also very handy; and it has pretty good pre-amps. On top of that the

> device is very robust. All in all it's IMHO one of the best /cheap/

> sound-cards.

>

> Compared to the UA-25 the UA-25 EX CW also includes an analog

> compressor. Given that it only has one knob (for the threshold), I

> doubt it's very useful. FWIW the limiter on the UA-25 is similarly

> useless. The new ground-Lift feature seems handy, though.

>

> > It works with no problems, and I did not even notice any problems

> > with 24bit mode and full duplex (at least the driver or jack are not

> > complaining). My colleague reported problems with the "Advanced

> > mode" on Windows.

>

> ~2 years ago it only worked in "Advanced Mode" with Linux ;) - I never

> flicked that switch to off.

>

> It works with `jackd ... -r48000 -p64 -n3` ~4ms latency;  `jdelay`

> reports 440 frames@48kSpS round-trip without x-runs.

>

> robin

I have a UA-25 as well, just thought I comment on the last point:

-p64 -n3 always was the lowest possible setting for me, and to stay

x-run free I need to raise this to -p128 -n3.

If someone can tell me how to get lower or run -p64 -n3 in a stable

way, please tell me ;)
Otherwise I'm pretty happy with it. One flaw I noticed on my particular

piece is that when I turn the output all the way down, at the end the

right channel goes quiet first. This appears only on the very quietest

settings, so it's not a real issue for me.
Philipp

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