Embed Notice

@c00p @ringo Isn't the quadrophonic bit handled in the electronics? Vinyl is basically one long groove cut with vibrations that are picked up by the needle, right?

And just like in magnetic media, there were a whole lot of shenanigans going on to get more out of the vinyl:
https://flypaper.soundfly.com/produce/vinyl-how-it-works-and-what-that-means-for-you/

Typical pinouts of needle cartridge:
Red=signal carrier for Right channel
Green=Right channel grounding wire companion
White=Signal for Left channel
Black=Ground for Left channel

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