Re: Audio Op Amp power

Winfield wrote:
For example, the Creative USB Sound Blaster, Audigy 2 NX,
(model SB0300) has two stereo 24-bit A/D inputs and both
USB and optical outputs, and meets the ADIO standards.
USB Sound Blaster Live! may be another possibility.

How well do these USB widgets work in the unavoidable presence
of ground noise?

Clifford Heath.
.