8 Nov
2010
8 Nov
'10
12:21 p.m.
Ken Restivo wrote:
A mythical beast, rumored to exist, but never actually
seen. Others have tried, but failed, to locate it. I now join the search. This beast is:
1) USB 1.0 "class compliant"-- NOT USB 2.0 -- and thus works with Linux
2) Is well and truly supported by ALSA.
3) Has FOUR outputs and 2-4 inputs, all usable from within JACK, with good professional
quality DAC/ADCs.
4) The outputs and inputs are balanced and applicable for low or high impedance (probably
with a switch), and have TRS 1/4" jacks or XLR or both.
5) Does not cost an arm and a leg.
This does not mean the FastTrack Pro! Sure it SAYS it has 4 channels, but only two are
accessible from JACK. I have one and have used it for years, but I now need more outputs.
And, also, the output of the "other" 4 channels is just RCAs. I need 4 channels
output, USB1.0, 44.1Khz/24bit. I could use a cheap 5:1 home-theater USB fob type
interface, but the sound quality would probably suck, and it sure won't give me
balanced outs.
Does this Unicorn exist? Anyone seen one?
The Maya USB 44 comes close to your specs: It has 4 in 4 out, running at
44.1 or 48 kHz with 18 or 19 bits per sample (in and out differ a bit,
but both is more then 16 bit). Completely bus powered, works well with
ALSA/Jack.
See for example http://www.thomann.de/gb/esi_maya_44_usb.htm
I don't know the exact specs of the DAC/ADCs, but I can check - they are
easy to open. If you like I can send you a picture of the opened device
(but not before tomorrow, I don't have one with me right now).
-- Giso
-ken
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