I'm not sure about the cartridge. I'll take a picture of it and post it.

I recently purchased a set of Beyerdynamic DT250-250 headphones from TTJV'S online store. My order is still being processed, shipped, etc. Currently my plan is to run various sources using a vintage Sansui 771 stereo receiver as my amp. The only weak link in the chain is my Sansui SR-2050C...