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Scratches on acrylic platter Clearaudio Emotion

Hi there!

My question might sound very anal but hey, here it is. I noticed some tiny concentric scratches on the acrylic platter of my Clearaudio Emotion TT. They are isolated from each other and don't come in bunches, so to speak. Although they are very small and very few, I'm a bit disappointed to see them

Are those scratches normal and are they on the platter from the beginning, or could they have been made by some LP? I noticed that once, one LP slipped a little when I brushed it. Otherwise I don't see what could have made those tiny scratches on the platter. But on the other hand, I think it's very strange to have such tiny scratches (however small and few they might be) on a $2000+ TT.

Did someone here have a similar experience with an acrylic platter, especially a Clearaudio acrylic platter?

So as said, this question is very anal and I'm sorry for this but I couldn't help asking it. If everyone wants to share its experience or provide advice, he or she is welcome.

Thank you very much!
boozendormi
moonglum
605 posts
 
Do you normally brush the LP while it is moving? Could there have been some hard grit in between?
In theory the characteristics of vinyl and acrylic are similar enough that they should not scratch each other?

If this is happening because of grit (and indeed the LP itself could end up being scratched) you could try a mat such as the Ringmat. It offers minimal contact between table & mat as well as Mat-LP.
zd542
5,339 posts
 
"Just another question, Zd542: when you say that alcohol will destroy acrylic, what will it do exactly? Change the texture of it, I guess, or create spots on it?"

Its not subtle. Alcohol dissolves/breaks down acrylic. I should have been more clear. I put the comment in just as a caution in case you decided to try and polish or clean the platter in some way. If you tried to clean you platter with an alcohol based cleaner, you would be buying a new one.
yogiboy's avatar
yogiboy
2,678 posts
 
If it bothers you,get yourself a platter matt. There are many types to choose, from cork to carbon and a whole range of prices !
boozendormi OP
8 posts
 
Don't worry, it's perfectly clear. Thank you for the precision though. It didn't come to my mind to clean the platter with alcohol but now I'm sure I will never do it.

Moonglum and Yogiboy, thanks for the mat suggestion. I will consider it. I don't think there was grit between the LP and the platter though.

All the best and thanks again.
larryi
1,972 posts
 
Most tables that utilize an acrylic platter do so specifically to couple the record to a surface with similar characteristics so that vibrations (from the stylus tracking in the groove) travelling in the record will be transmitted to the platter and dissipated in the platter. If you use a mat between the two, you will compromise this particular design feature.

Acrylic is a quite soft surface that can be easily scratched, even when all you are doing is trying to clean it or remove dust. Do not even use paper towels in the cleaning process. I use the special eyeglass cleaning paper towels for this purpose. I keep the platter from collecting dust by covering it when not in use with a sacrificial record (a Charlie Rich album someone gave me that I have never listened to, although it is, now the record that spends the most time on my platter).
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