10.9 What about CD stabilizer rings?
Description
This article is from the rec.audio.* FAQ, by with numerous contributions by Bob Neidorff others.
10.9 What about CD stabilizer rings?
In a nutshell, save your money.
The data coming off of the disc is a serial string of ones and
zeros. If this bit stream has jitter, then it may reach the D/A
converter out of sync. If this happens, then the actual analog
signal recreated will have jitter, and won't be perfectly true.
The vendors of stabilizer rings say that using these rings will
reduce jitter and make a more perfect signal. Vendors also
claim that the rings can increase the mass of a disc, making it
spin more smoothly, and reducing transient load on the power
supply from the motor.
Some players will not play discs that have stabilizer rings on
them. The clamp can't handle the thickness. Other players play
ringed discs, but do not play them well, because the disc motor
was not built for the added load.
With those exceptions, scientific studies of the data coming off
of the disc have failed to show any improvement going from a
virgin to a ringed disc. I have not heard of double blind
comparisons that prove that people hear the difference, either.
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