On 15/06/2010, at 11:18 PM, Paul M wrote:

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

Sorry, that's a typo - should be -46 dB

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> carefully, it gets much worse.
> Rf pickup in the input leads is high too.


paulm