If there is not much ultraviolet from the sun on the driver's I bet the electrolytes are bad within 10 years... Or go bad.
Depends on temperatures and hours of playing. Crossover rebuilding can improve and extent the selflife. Another advantage is no a days there are much better electrolytes, improves the sound a lot.
Depends on temperatures and hours of playing. Crossover rebuilding can improve and extent the selflife. Another advantage is no a days there are much better electrolytes, improves the sound a lot.