Originally Posted by
bigbossman
Check the foam surrounds. They're only good for ~10 years, and could be disintegrating. It that is the case - fear not. there is a place in Ohio that re-foams drivers for about $33 each. My Advent Utility drivers are there as we speak.
By the mid 70s, A/D/S were using butyl surrounds. Their earlier foam surrounds disintegrated like everyone else's. And yes, there were a ton of speaker companies that started here. I don't know if it was the MIT proximity or just a whole bunch of companies spinning off from one another. Bose, KLH, A/D/S, BA... there were lots.
Originally Posted by
bigbossman
As soon as the drivers get back from repair, my garage/C&V workshop will be sporting the advent Utility speakers, driven by a 1977'ish Pioneer SX-780 receiver - one of the last of the "Silver Series". I even have a 1st generation Sony CD player waiting to go.
Very cool. I never had a high-end amp or receiver. That was the weak link in any of my systems. My only vintage receiver is a circa 1990 mid-range Onkyo, digital of course.