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Why Use Aluminum for a TT Platter?

Mass I am told is a good thing when it comes to TT platters. Lloyd Walker for one extolls it's virtues and as a rule some of the better turntables like to brag about their big ..Platters. Why then would aluminum, known for it's light weight (low density) turn up as frequently as it does as a platter material. I know it is easily machined but isn't there anything better and much denser.
mechans

Showing 1 response by inna

inna
7,132 posts
 
Just look at the platter of the relatively inexpensive ($2k) Nottingham Spacedeck. It's a minimalist design table, and I bet that the platter alone costs at least half, probably more. I have no idea what it is made of but the thing is quite heavy. As I understand, that's what mostly makes Nottinghams sound the way they do - the platter.
Cooper with lead and steel in a sandwich style sounds good to me. And a beer please.
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