About Us

About Us

The Original AR Amplifier
AR's first 1 W Amplifier

It all began in 1969 with two men in a cellar. They saw a market for their skills in designing amplifiers for test applications.

1970
Distribution expands into Europe.

1972
Moved out of Shep’s cellar to a small storefront property.

1973
AR moves to new headquarters at 160 School House Rd. in Souderton, PA.

1975
AR introduces first 10,000 W tube amplifier
(10 kHz – 100 MHz).

1988
First 100 W solid-state, 100-1000 MHz instantaneous bandwidth amplifier built.

2001
AR expands its capabilities into amplifier modules & customized systems with the acquisition of Kalmus in WA, now AR Modular RF.

2003
First 10,000 W 100 kHz – 250 MHz solid-state amplifier.

2008
AR Europe is launched with AR United Kingdom, AR France, AR Benelux and now AR GmbH.

2012
First production 16,000 W solid state amplifier to 225 MHz.

2013
AR breaks ground for 10,000 square feet addition to provide capabilities to manufacture and test high-power amplifiers in excess of 100 kW.

2015
First 50,000 W solid-state amplifier produced.

2016
First production 10,000 W Solid State Amplifier to 1000 MHz.

2017
AR acquires Sunol Sciences Corporation, now SunAR RF Motion. SunAR provides precision positioners and reverb stirrers for EMC, OTA, and shielding effectiveness testing; as well as distributed antenna systems for wireless markets.


We started the company in my basement. Because the only place we could go from there was up.”
– Don Shepherd