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With a digital source, why preamps at all?

Posted by andy evans on June 11, 2017 at 23:51:35:
I sold all my LPs and my CD player and put all my music on my Mac's hard disk, plus I can stream music from various sources. That's pretty typical of younger people these days, though I'm a lot older than that.

The volume control is digital, in the computer. So no need to think about that. No need for a selector since it's all in the computer. Then after that all we need is amplification. Ideally 2 stages, if not 3 stages. So as long as the driver can dynamically drive the outputs, why burden the system with any additional stages that will simply compromise the transparency?