Krell Engineering was founded in 1985 to provide an independent source for the design of ultrasonic resonators at frequencies between 10 kHz to 100 kHz. Krell Engineering's president and founder, Donald Culp, has over 30 years experience in industrial and medical ultrasonics...
Krell Engineering also provides Computer Aided Resonator Design (CARD) software which facilitates the design of ultrasonic resonators.