Re: What Mid-range USB Sound Cards Work with Linux?
rlharris@oplink.net writes:
> Lexicon Alpha (powered by USB) and Lexicon Omega (external supply) are
> excellent broadcast-quality USB audio interfaces which "just work" with
> Linux.
>
> Another excellent device is the Shure X2U, which is particularly adapted
> to portable use (USB powered; fits in a pocket).
>
> Tascam is another manufacturer of broadcast-quality USB devices, but I
> have no direct experience with Tascam USB.
>
> For quality gear of this genre, it is advisable to shop and purchase
> throug broadcast suppliers such as fullcompass.com and bswusa.com.
>
> The analog side of professional audio devices utilizes balanced inputs and
> outputs, and balanced cabling and connectors. Properly designed balanced
> circuitry guarantees freedom from hum.
>
> The best and most common balanced connectors are of the XLR design, but
> 3-conductor 1/4-inch phone jacks and plugs (TRS = tip, ring, sleeve) also
> are used, particularly when panel space is limited.
Great suggestions and thank you. I am not using XLR's,
but I do use 1-to-1 isolation transformers between the audio
sources and sound inputs as it is not difficult at all to accidentally induce
hum in to unbalanced lines.
Martin
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