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linear tracking deck. Why don't we all have those yet?
I think the only implementations which were audiophile grade were fantastically expensive and didn't sound any better than a good conventional tone arm.
When I was a boy, the perennial vapour-ware was a non-contact vinyl reader which was going to use laser interferometry to provide a perfect analogue reproduction of the groove. Then the iPod was invented and both record companies and listeners stopped caring about quality because quantity was cheaper.
gbj_tester-
There's a video somewhere of a Japanese guy demonstrating one he developed not too long ago.
https://diffuser.fm/laser-turntable/
There's a german guy trying to develop a system cutting disks with a laser. I guess he could cut negatives to press with but his long term aim was to cut them individually. I think he mentioned a ceramic material for the disk.
Airhead
Lolo
All this 70's talk has got me thinking about a linear tracking deck. Why don't we all have those yet?
or I guess an LP12