Gentex GMS24-15/75WR Category : Gentex The horn mechanism on this alarm is the exact same one as found on the rectangular electro-mechanical Simplex horn/strobes, such as the Simplex 4903-9217. Brand GentexModel GMS24-15/75WRManufacturer Faraday/GentexType Alarm (Horn/Strobe)
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Wheelock FS6-61 Category : WheelockNothing like a vintage Wheelock bell! I got this with my Wheelock NC-OS pull.
