1975: Forsythe Audio Systems was formed to sell the Kenton Forsythe's SR215 dual 15 inch bass horn design originally developed by Kenton at dB Engineering In Quincy, Massachusetts.
1976: Forsythe moved to a dedicated facility in Watertown, Massachusetts and added the SR115 single 15 inch bass horn to the line along with the addition of distribution through dealers outside the New England area including Quantum Audio in NYC and Sound Genesis in San Francisco.