Century old RCA horn speaker pair - electronics - by owner - sale - craigslist
A pair of RCA horn speakers from the early 1920's These speakers were originally installed in a high school auditorium in northern New Jersey when the school opened in 1923. They were removed from...
milwaukee.craigslist.org
Saw these come up on the local CL while browsing today. I know zippo about these specifically, or this model generally, but thought you vintage horn guys might find them interesting (or not, YMMV).