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In Reply to: RE: Do tube preamps add or take away dynamics posted by airtime on June 08, 2017 at 14:31:42
There is signal degeneration with every device a signal needs to pass through. A poor analogy would be water passing though a hose. You sill get your water, but some is left behind in the hose. Or mixing the batter for a cake, you can never get all the batter out of the bowl. In cable TV/ satellite TV terms. The signal degrades every time it passes through a splitter, or a surround system receiver ( caps, resistors ) etc. Sorry, can't think of a better analogy at the moment.
I remember Cal Audio Labs manufactured a cd player with volume controls. It completely eliminated the need for a preamp. With all the A/B demos I did, no preamp sounded as good with the Cal, as the Cal did simply hooked up to the amp.
What was the volume control?
I've had one for quite some time. it uses an 12au7.
It's been so long I don't recall everything about the Cal. However I saved the link to the Sterophile audition if you want to read up on it.
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