Control Technology Co., Inc is an engineering oriented firm that has been in business over 40 years. We manufacture customized and off-the-shelf Servo Electronics ; Analog and Digital Servo Control Systems and related Computer Interface Equipment which include Signal Level Converters. Our products are described below.Control Technology Co. Inc designs and manufactures LINEAR transistorized amplifiers in power ranges up to 3, 500 watts. These amplifiers are designed to meet various temperature, gain input impedance requirements. Our amplifiers do not use switching techniques ; meaning that they exhibit no cross over distortion and are RF noise free. These amplifiers are designed to drive: