Is it good idea to buy a 20 years old Accuphase C-290V


Since the  current high end gears are quite expensive, so I have no much choice but to find some good 2nd gears even it might be some years of ages.  We know Accuphase is a famous brand for it's reliability. In fact, I am a bit hesitate to buy an old one like this which still cost US$6000 in the 2nd hand shop in Taipei.  How about the audiophiile's idea and suggestions? 
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If it makes you feel any better, I just bought a 20yo Classé CA-5100 which still cost me close to 2k.

Ultra HiFi is usually built well.

A good place to check older equipment reliability by owner reviews is audioreview.com.
Dear audiophiles,
Thank you very much for your kind reply. New accuphase high end models like c 2850 or 3850 cost much much more which most audio fans unable to afford. And some later high end models are located here and there which usage are unknown either.  If I purchase, I might have risks.  Though the one i found of C290 V is in the 2nd audio shop, but the shop provided buy back policy. You can return in 3 months and get 90% back or 1 year get 80% back.

I owned 290 v , I am very nice warm non-fatiguing sound, one of the pieces I wish I would’ve never sold. I would not hesitate to buy it one second👍