When did US record companies change from MONO to STEREO Cutting heads

Posted by Ross (A) on December 18, 2016 at 12:36:05

for the cutting and pressing of mono discs ?

I know it wasn't across the board in 1958-59, and there some holdouts.

What I am trying to pinpoint is when mono pressings stopped being 1 mil groove width during the 1960s.

Thanks

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Topic - When did US record companies change from MONO to STEREO Cutting heads - Ross 12:36:05 12/18/16 (6)

Change from MONO to STEREO Cutting heads for Mono Discs... - Interstage Tranny 19:20:36 12/19/16 (1)

Change to STEREO Cutting heads for Mono Discs... - Interstage Tranny 17:35:42 12/23/16 (0)

I've wondered too - M3 lover 13:57:07 12/18/16 (0)

RE: When did US record companies change from MONO to STEREO Cutting heads - coffee-phil 12:43:27 12/18/16 (2)

RE: When did US record companies change from MONO to STEREO Cutting heads - mr.bear 12:16:58 12/19/16 (1)

Stereo railroad sounds-- a glorious tradition-- can you beeeelieve? ... - J. S. Bach 18:06:53 12/19/16 (0)

When did US record companies change from MONO to STEREO Cutting heads

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