Can you provide me with cartridge specs for legacy product M112EJ?
M112EJ was an OEM product: Answer Link: Shure OEM Products: 1940s to 1990s
It was very similar to the standard Shure model: M75EJ-Type 2. Specs for this model can be found in vintage Shure catalogs circa 1975:
Answer Link: Vintage Shure Catalogs (1933-1984)