It means "stereo compatible" (i.e. stereo recording, playable with a
compatible cartridge that has compliance in the vertical direction.)
https://www.analog-forum.de/wbboard/index.php?thread/8348-gravure-universelle-stereo-auch-mono-spielbar/
David
At 18:13 30-05-18, Martin Leese wrote:
>Hi Al
Martin Leese:
>Erato "gravure universelle"
"Gravure universelle" was used during part of the 60´s
to describe a Stereo LP disk as being compatible
with playback using a mono cartridge.
This used the elliptical filter in the Neumann cutter
set to 300 Hz.
Then all Stereo information below 300
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Hi All,
There is an used LP on offer on eBay which
is described as Ambisonic, but which is not
included in the UHJ Discography. The LP is
on the Erato label, STU 70221. The cover
says the LP is "gravure universelle", which
Google translate says means "universal
engraving". Is this LP Ambisonic?
