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by vatys 3238 days ago
> Why were these recordings played and digitized in stereo when the records were mono?

Probably to allow for better post-processing in case one groove wall is in better condition than the other. They seem to be going for completeness rather than hard drive efficiency.

http://great78.archive.org/preservation/

> This means we deliver both groove walls of 4 different stylus sizes with and without EQ for a total of 16 channels of audio. The most comprehensive presentation of 78rpm discs ever!