I have an RCA Photophone Shearer horn that has original drivers from 1938 it still sings and amazes even jaded audio designers. I have a lot of drivers and speakers from the 1940s to the early 1970s that are all matching specs. It depends on the build modern loudspeakers with their polymers and ferrofluids do not last that long figure 15-20 years most would need service before that time frame. Sure they may play but the fluids dried up in VC and the modern plastics break down capacitor values may also have shifted with age thus not meeting specs
How long do speakers last?
I ask because I have an opportunity to buy a pair of Von Schweikert VR-33's for an insanely good price. I get it: "it depends how hard they have been driven", but judging by the condition they were very nicely taken care of. My only concern is that will need repairs in the future whereas I could just spend that money on new speakers. On the other hand they sound fantastic. Just curious about the lifespan. They'd be a nice upgrade from my Klipsch bookshelves / sub combo.