CD player vibration from CD's


I was changing a cd and noticed a strong vibration in my Oppo BD83SE cd player. I have had quite a few cd players and have never noticed this kind of vibration before. I found it was not caused by all cd's. With some, the majority, there is very little or no vibration. I am assuming the cd's in question are not round. Anyone else have this happen with your players? I am especially interested in Oppo Players but anyone feel free to chime in.
leatherneck1812
leatherneck why not do what i do with warped CDs. I put it under enormous amounts of heat and pressure. These conditions will form diamonds naturally.
Hi Elizabeth

Thanks for sharing again. Your posts are often really informative to a novice like myself.

Regarding disc stabilizers. Would those a Carbon Fiber CD Mat help? What stabilizers would you recommend?

Leatherneck1812
My Oppo BDP-83SE and stock BDP-83 vibrate a bit quite often regardless of disc. Be it an SACD, Blu Ray Disc, XRCD or CD. I thought the vibration was normal. I just put 2 5 lb weights and sheet of Acoustimat under the weights to help with the vibration. I'll keep doing more checks to see what discs cause the most vibrations. I'm pretty careful with my CDs. I wonder how they could have warped.

Thanks
Thanks for the responses.

Elezabeth, I don't think it is warped. I have an aftermarket stabilizer disk and it lays perfectly flat on the CD in question. It also has no noticable effect on the vibration.

Mjglo, I don't currently have another player in the house, but that's a good idea.

Ddd1, Did you use a different Denon CDP of the same model and get different results? Or did you change players completely?

I am hoping to hear from Oppo owners as to whether or not they can reproduce this effect.
"Ddd1, Did you use a different Denon CDP of the same model and get different results? Or did you change players completely?"

The Denon was a DVD player. The players/transports that the same CDs didn't vibrate were different makes altogether. (ie. Simaudio Moon CD-1, CAL Delta, a couple expensive Sony universal players).
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