That's it. I drilled out the coax and widened the holes just enough to screw those in. Glue on the threads for good measure. Good luck.

This 5 pack was less than $10 on Amazon. Good luck with your 560s!

Aloha Ralph! Did you ever get that sorted out? I just converted mine from mini coax to 3.5mm jacks. You can see mine are far from pristine anyway LOL. But they keep on going after 8 years and they're glorious in balanced mode! I hope you got that nice cable adapted.

I'm obviously seeing this a bit late, but I like K & J Magnetics. All kinds of shapes, strengths, and coatings. How has your project gone?

Hi Ken!   I hope you're still out there. I'm in communication with a technician who services old Discmen, including the D-555. I'm going to send mine in to fix the typical skipping problem and have the caps replaced (I'd just make it worse if I tried.) And of course I would love to have a...

Hi Kaosun! I have several vintage PCDPs, including a barely working Sony D-555, a D-303, a D-25, and a perfect D-9 (I wish it were a D-99!) Also a very slim Technics which I haven't seen anywhere else. I'm not very knowledgable about fixing these but I got a book and am learning. My question to...