Most of the contributors to this thread will find this info elementary but the sites are good resources and the vinyl groove photos are unique
Micrographia
Westrex Cutting Head & Scully Lathe
Micrographia
Westrex Cutting Head & Scully Lathe
What does a vinyl record groove look like?
Most of the contributors to this thread will find this info elementary but the sites are good resources and the vinyl groove photos are unique Micrographia Westrex Cutting Head & Scully Lathe |
I thought that the lateral movement of the stylus produced only the mono signal, and the vertical movement gave the signal the stereo balancing. Am I wrong about this? The first few pages of the Michael Fremer Setup DVD includes a .PDF file that gives an informative accounting of how it works with some nice diagrams. Rgds, Tim |
Fatparrot, You're right, but vertical stylus movements are not a result of the groove itself moving up and down. It doesn't. Vertical stylus motions result when a different undulation is cut on one groove wall vs. the other. This differential between the resultant L wall and R wall vertical motion creates L-only or R-only signals. From the information sheet included with my HFN&RR test record: On a stereo disc the two groove walls carry related but nevertheless independent signals, each wall undulating at 45 degrees to the record surface. ... Doug |