Space Age AV32+2DCD That is an electromechanical horn on the rear of the strobe plate. Brand Space Age Electronics
Wheelock ET-1080-WS-24 Category : WheelockYou can’t really tell from the pictures, but the strobe is practically falling out of this particular unit.
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
