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Vinyl and Needle Magnified 1000x

PostPosted: Wed Dec 10, 2014 7:12 am
by zenaudio

Re: Vinyl and Needle Magnified 1000x

PostPosted: Wed Dec 10, 2014 9:23 am
by vintage_dog
really Amazing!!

have the same comment as one of the poster: how does one needle read both channels?

Re: Vinyl and Needle Magnified 1000x

PostPosted: Wed Dec 10, 2014 3:43 pm
by JackD201
Peter Ledermann of Soundsmith fame gave a talk at RMAF explaining exactly how it works. I'll look for that link. It's an hour well spent IMO. :)

Magnified 10000x we might see some Spartans holding off some Persians!

Re: Vinyl and Needle Magnified 1000x

PostPosted: Wed Dec 10, 2014 5:36 pm
by joejet
I thought vinyls are uniformly grooved. Looking closely at the magnified view, It's not.

Re: Vinyl and Needle Magnified 1000x

PostPosted: Wed Dec 10, 2014 8:12 pm
by troporobo
vintage_dog wrote:have the same comment as one of the poster: how does one needle read both channels?


Because it is three dimensional not two. The vertical and horizontal signals combined create a unique signature that can be decoded for left and right channels