I purchased my SDA-1Bs new while stationed in Weisbaden Germany for the US Air Force. They've been hauled around for almost 20 years, been squeezed into small apartments, large dorm rooms, and a few homes.
They've been powered by a few setups over the years; first Yamaha, than NAD, now I'm running the speakers with a set of Carver M-1.0ts and controlled by the C-1 preamp. It's simple, clean looking, and sounds great.
Didn't expect to run across a forum dedicated to a speaker manufacturer. Hello to all. Glad to hear that I'm not the only one that appreciates the SDAs.