Simplex 2901-9722

The Simplex 2901-9722 is a 10" motor bell manufactured by Simplex. It shares its gong sound with the Notifier KMS-10-24VDC, and the General Signal MB10-24. It is a very loud bell, and has become rare these days. It has a 6 inch counterpart known as the Simplex 2901-9720. This bell was introduced around 1989-1990, and was discontinued around 1998-1999. It was replaced by the Simplex 2901-9724.

Specifications

• Voltage: 24VDC
  
• Loudness: about 97 dB (moderately loud)
• Type: Motor bell

Enthusiasts owned

User YYCsFireAlarmNimrod owns one of these bells. The bell was formerly installed in R.T. Alderman School. His bell was manufactured in 1988. The bell is still functional as of February 23, 2022.