have the same comment as one of the poster: how does one needle read both channels?
Re: Vinyl and Needle Magnified 1000x
Posted: 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
Posted: 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
Posted: 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