Is it worth getting an 11 year old cartridge re-tipped?

OP

"suspension seemed a bit flat."

That would be my biggest concern. If I had it re-built, I would want a new suspension, and very unlikely it would match the original. (could be better, only money knows)

I have had new cantilevers and styluses, but always with the existing suspension. Far older than 11 years, VAS just checked my small collection, all were good, including 3 vintage AT160ml with Beryllium Cantilevers from the 80's.

Steve Leung (VAS) remarked to me, "isn’t it amazing how Audio Technica suspensions hold up" I agree.

Perhaps others know about your cartridge, let’s see who responds.

If it were mine, I would send it to Steve at VAS and ask him to evaluate it.  Call him first and explain the situation.  732-888-3288.  He will tell you if it is worth repairing, what is involved, and the cost.  Conversely he will tell you if it is not worth repairing.  Alternatively you could send it to Peter Ledermann at SoundSmith.  All the same comments.  The difference lately has been turn around time, with VAS much faster.  But both are reputable.  There are others, these are the two that I have done business with and can recommend.

Yes - 100% worth it. Just had my MC rebuild done by Peter Ledermann at Soundsmith; he has been doing it for 40+ yrs. You send it in - he does a complete microscopic eval before starting any rebuild. You can pick your Cantilever and Stylus shape - if in doubt, he is a great resource & guide.; he will discuss options with you. If the rebuild is not worth it, he will tell you and if it is a complicated rebuild with lots of damage, no charge if it fails. All rebuilds come with a one yr warrenty. His website is one of the more extensive knowlege bases for anything cartridges. 

https://sound-smith.com/services

@jmrrobbie1  

What's the turn around time now in your experience?