Grinnell IXA-RMS This unit was taken off of a TFX-400 system at Brigham Young University. Brand Grinnell
Wheelock MB-G10-24-R Category : WheelockI’m missing this unit’s label, so that model number is only a guess. It’s probably right though.
Space Age AV32 Category : Space Age ElectronicsI have no idea why there is no fire lettering on this unit