Rowe Industries

The DeArmond Tremolo Control manufactured by Rowe Industries was the first music effects unit

Rowe Industries was a manufacturer of guitar pickups and other music-related devices, as well as electrical components utilized in the aerospace industry into the 1980s.

Owner Horace "Bud" Rowe established a working relationship with budding electrical component designer Harold "Harry" DeArmond (January 28, 1906 – October 12, 1999). DeArmond is credited with developing the first commercially available detachable guitar pickup.