Hi all, I bought a not working dual. The cartige is there but the stylus is not. However, also there is no any information about the cartige. How can I identify that? How can find replacement stylus for that. Finally, if anyone can identify it can you comment about its sound?
Best.
ps. click to enlarge
one on the bottom:

one on the left:

one on the top:

Best.
ps. click to enlarge
one on the bottom:

one on the left:

one on the top:

