As an essential business, AR is continuing to operate and provide our customers with the service and support they need during this time. We take the health and safety of our employees very seriously and have additional measures in place to maintain a safe working environment.

About Us

About Us

The Original AR Amplifier
AR's first 1 Watt 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 watt tube amplifier
(10 kHz – 100 MHz).

1988
First 100 watt 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 watt 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 watt 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 watt solid-state amplifier produced.

2016
First production 10,000 watt 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