From: Rob Danielson <>
>
> Hi Klas--
>
> I agree that people need to understand that the self noise component is f=
ixed.
I'm not so sure I agree with such a statement without a lot of
qualification. The self noise does get amplified with the rest of the
signal. Therefore, as you change the gain on the pre, it's level changes
too.
About what stays fixed is it's relationship to the sound you want. If
the self noise is 30 dB below the sound you want, and you amplify the
signal, it will still be 30 dB below the sound you want, but louder.
What we are really wanting to do is keep the self noise below the
threshold of hearing, or failing that, at least below the threshold of
awareness. And that's for the final playback volume.
Walt
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