optical out sound card for linux?
tleslie
tleslie-RBVUpeUoHUc at public.gmane.org
Sat Jul 7 14:21:30 UTC 2007
On Sat, 2007-07-07 at 09:57 -0400, 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.
I also read something about slew rate issues. I guess cheap stuff has
horrible slew rate, but would that contribute to what I am
experiencing?
This HD650 also have unbalanced inputs (separate amp can power each
can),
maybe that impacts it to.
-tl
>
> A sound card might well have difficulty driving *low* impedance headphones.
>
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