CD player vibration from CD's

I'm not so sure the problem is discs that are a bit off-centered. I once had a Yamaha S1500 player that would do this vibrating on occasion. But when I bought a Pioneer DV-79AVi the same discs played perfectly.
My opinion: a design flaw in the Yamaha or just piss-poor tracking ability.

the millenium carbon fiber mat reduced ad eliminated vibration on my friend's transport.

it is sold by aaimports. you can mention my name when you call brian. my name is roy harris. i own one.

I noticed a similar vibration on my PC's DVD drive, may be a clamping mechanism, don't know for sure.

I have a CEC top load transport which I use a Herbies Grungebuster adhesive mat on the bottom of the CEC puck for damping.

A De Mat (Van Art Speak) rubber and carbon fiber impregnated mat is also placed on top of the CD to very great effect, but I would not recommend this one for tray loading transports or players, they could jam.

Elizabeth I have wondered why others have not used the same idea as pioneer as well. Seems like a good idea.

Best,

Dave

I recieved this answer from a tech that has worked on my stuff.

You're right the Oppo drive does vibrate a lot and it's normal. The Oppo drive spins the disc 200x faster then the Ikemi did. The older style plain CD drives were not high speed computer ROM drives with no RAM buffer memory stage to totally eliminate jitter. With dedicated CD players, jitter can be off the charts if the cd was cut out of round or vibrates alot. With a blu ray player, the data is stored and updated into a FIFO RAM buffer many times a second. No data goes out to the rest of the player until it is jitter and error free. Vibration and out of round or scratches do not affect the high speed re-reading ROM drive type players.