Since introducing its IMP system in 1993, Liberty Instruments has built a reputation around practical audio measurement tools for speaker builders, engineers, and researchers. The company develops systems such as PRAXIS for analyzing loudspeakers, rooms, and electronic equipment, while its site also preserves technical resources from earlier generations of its work.
Larson DavisFounded in 1981, Larson Davis manufactures precision acoustic and vibration-measurement instrumentation, with engineering and manufacturing based in Provo, Utah. Now a division of PCB Piezotronics and part of Amphenol, the company builds measurement systems used from community noise monitoring and building acoustics to worker exposure studies and automotive, aerospace, and industrial testing. Its quality system includes ISO 9001 certification and an ISO 17025-accredited, NIST-traceable in-house calibration service.DEPEW, NY
Benchmark Media Systems, IncFrom a Syracuse, New York facility, Benchmark Media Systems designs and manufactures transparent audio equipment for recording studios and home listening systems. Founded in 1983 as a garage operation serving television broadcasters, the company still designs, assembles, and tests its products in Syracuse more than 40 years later. Its audio-enthusiast staff build equipment around a clear aim: keeping noise and distortion below the threshold of hearing so the electronics stay out of the music.SYRACUSE, NY
Lehna Technologies LLCLehna Technologies LLC develops proprietary software, integrated systems and testing services that help engineers see, measure and control noise, vibration and manufacturing quality. Its SynPAD acoustic-imaging system visualizes three-dimensional sound sources in real time, while SynNVA gives engineers a practical way to analyze noise and vibration without becoming instrumentation specialists. The company also builds customized in-line quality-control systems and develops LabVIEW applications for industrial testing and data acquisition.ROCKVILLE, MD
Ashly Audio, IncFounded in 1974 by engineer Billy Thompson, Ashly Audio designs and builds professional audio systems and amplification for installed sound and live applications. Still based in Webster, New York, the company blends modern DSP, networking and Dante capabilities with a reputation for durable equipment—some Ashly amplifiers remain in service after 30 or 40 years. Many employees have stayed for 30 years or more, and Ashly continues to support older products with parts and service.WEBSTER, NY