Quote Originally Posted by nightflier
Now I'm not saying it doesn't work, but if it does, then why aren't the CD trays of kilo-buck players green?
I think the underlying concept has to do with spurious laser reflections. Visible light goes straight through the CD media. This is easy to prove with a flashlight. While the following is pure speculation, treat it as such but I think the phenomena is transport specific and only works with the more conventional open tray, media down type platters.With my GamuT player using such an arrangement, I get a subtle improvement with the disk. With my Pioneer PD-54, however, I do not. Difference? The Pioneer has what they call a "stable platter" which is very different looking from the usual fare. You place the disk inverted on what looks like a scaled down vinyl turntable. The platter is covered with a padded black mat and is the same diameter as the CD. Light does not penetrate the mat.

Quote Originally Posted by nightflier
Still at $40 (+$35 shipping in Feanor's case) for a rubber disk, this is absolute lunacy.
Each of us places a different value on incremental sonic improvements.

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