On 15/06/2010, at 8:25 PM, Alexandre Ratchov wrote:

quoted text
> On Mon, Jun 14, 2010 at 08:20:57AM -0600, Ted Roby wrote:
>>
>> Sound cards just get too much noise off the motherboard.
>
> well, it depends on the sound card; properly engineered
> cards don't get noise, including pci ones.

It seems the best I can get with the built-in sound on this computer
is about 36dB S/N. If the various input gain stages are not set quite
carefully, it gets much worse.
Rf pickup in the input leads is high too.


paulm