Question on testing a used Magnepan 2.6R

Hello!

I will be auditioning a used Magnepan 2.6R next week in my endeavor to put together 1st my hi-fi system.

I am planning to go for a new pair of MG 1.6QR after listening to them. However, a used 2.6R came along and I understand from many forumers here that the 2.6R represents great value in the used market if a pair can be found in good condition.

My question is, how will I be able to test the 2.6R to see if they are in good condition or if the parts (esp. the tweeter ribbon) have been worn out? I trust the speakers would still work even if the ribbons are worn. The 2.6R is probably more than 10 years old.

I live outside the US, hence sending them back to the factory for refurbishment may not be possible and I doubt the owner of the 2.6R have kept the original box or the ribbon protective cover after all these years.

Is there any way of sighting modifications or replacements of the ribbons? Anything else I should be looking out/listening for?

Truth be told, I don't know what the 2.6R looks like since I can't seem to find any pix of it in the internet. I would appreciate it if someone post a picture of it.