SuperG
The NS-10M are considered neutral sounding and lacking in any kind of hype and emphasis, so much so that they are still considered a studio reference today.


Oh, wait. You're serious.
Yes, they are in fact still used as a reference, despite having no low end and tweeters that could cut glass. Strangely, it's precisely
because they are extremely colored that makes them an enduring standard.
Tradition holds that if you can make a mix sound good on them, it'll sound good anywhere. It's probably true, but I think that says more about the skill of the mixer than any magic in the speakers.
If somebody were to give me a pair, I'd go ahead and repair them - but only to increase their value on eBay.