SJ (13)

Mastering engineer at Optimal Media GmbH.
Note: The company does not release the full name of the engineer. Can be confused with S7 or 57 or other symbols.

When submitting credits & companies to a release that carry SJ on the vinyl run outs, please:

Add a credit: Lacquer Cut By - SJ (13)

Add a company: Lacquer Cut At - Optimal Media GmbH (only valid for releases after October 1, 2011)
Add a company: Pressed By - Optimal Media GmbH (only valid for releases after October 1, 2011)