My speakers have followed me throughout my life, with various members of the family. My son uses my Monitor Audio MA8's circa 1990. My mother uses the first speakers I ever bought, Leak Mini sandwich's circa 1965. Mind you, she is pretty deaf now and I am not sure if she notices if sound is coming out at all, never mind deteriorating drivers.
So, a challenge, has anyone got speakers 41 years old still working. Leak, British engineering for you.