optical out sound card for linux?

[Mike Kallies]

On 7/7/07, phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org <phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org> wrote:
> >> >
> >> > I read that with highest end head phones, they are
> >> > "extremely high impedance headphones"
> >> > and they can suck large with cheap
> >> > sound amps, and I am guessing a sound blaster
> >> > card is just that.
>
> >  I'm curious if it's just the soundblaster (and PC sound
> >> hardware in general) which sucks, or if the headphones really draw a
> >> lot of juice.
>
> Just to clarify, higher impedance phones would draw *less* current. Ohm's
> law: I=E/R where R in this case is an impedance.
>
> A sound card might well have difficulty driving *low* impedance headphones.

Oh yeah :-)

I stand corrected... leaning on a pillow. I don't think I got enough
sleep today.


-Mike
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