Jensen Transformers Acquired by Radial Engineering

Radial Engineering, owners of Primacoustic and other brands, has acquired high-performance audio transformer maker Jensen Transformers. Owner and president Bill Whitlock to stay on in technical capacity.

Jensen Transformers, makers of the ISOMAX audio transformer, has been purchased by Radial Engineering.
Jason Knott · July 7, 2014

Jensen Transformers, Inc. announces the company has been acquired by long time customer Peter Janis, owner and president of Radial Engineering Ltd. Jensen joins the Radial group of companies along with Reamp, Tonebone, Primacoustic and Hafler. Many of these key brands will be jointly exhibiting at CEDIA Expo 2014 booth #280.

According to Bill Whitlock, former owner and president of Jensen, “After 25 years and my recent turning 70, I felt the time had come for Jensen to be passed along to a younger generation. And after much discussion, I felt that Peter would be the ideal candidate to take the company on and build it for the future. Peter’s company Radial has been tied at the hip with Jensen since 1992 and has been the biggest user of Jensen transformers for years. It only made sense that he take the reins.”

Audio pioneer Deane Jensen started the company 40 years ago (in 1974) and he changed the way transformers were designed and built for “real-world audio,” according to the company. The statement goes on to say that Jensen’s “analog circuit design skills gave him a deep understanding of how transformers interact with surrounding circuitry. This interaction was, and still is, largely overlooked by those who simply build transformers. Using the best available materials and winding techniques, he enhanced performance by paying close attention to phase response and extending bandwidth, proving that the result is astounding sonic clarity and transparency. Bill Whitlock acquired the company upon Deane’s untimely death in 1989 and continued the tradition with further refinements in production uniformity and long-term reliability and expanding the company into areas such as video through the ISO-MAX range.”

Dave Hill, general manager at Chatsworth, Calif-based Jensen, notes, “Over the past months, we have begun to understand Peter’s way of doing business and it is very exciting!  We have just extended our lease - keeping the company in its home in Chatsworth, purchased two more high precision Meteor numerical winders, increased our raw part inventory, have added more computer power to streamline our processes and are currently hiring more staff to increase production. Peter is absolutely committed to upholding the Jensen brand and quality that we have strived to build. These are very exciting times!”

Janis adds: “Jensen is one of the true gems of our industry. I first heard about Jensen transformers in 1981 and when we started Radial, it was on the top of our list. We launched the Radial JDI in 1996 - the J standing for Jensen and today, it continues to be the world’s best selling professional passive direct box around the globe. When Jensen became available, we felt that the brand was simply too important to the industry and our long term health to end up being purchased by a multi-national and made offshore.

“So far, we have invested a significant amount of money to stabilize delivery and have made a commitment that Jensen be run at arm’s length. Radial will continue to purchase transformers as it has in the past, as an OEM customer, and Jensen will continue to work with its growing customer base both on the OEM side and as a solution provider for the A/V contractor, home theater installer and professional audio engineer.”

Whitlock continues, “I plan to stay on with Jensen assisting on the technical side and working in R&D to develop new and exciting products. There are so many areas that we have yet to explore and with the business side now off my plate, I look forward to focusing on my true love of engineering.”

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  About the Author

Jason Knott is Chief Content Officer for Emerald Expositions Connected Brands. Jason has covered low-voltage electronics as an editor since 1990, serving as editor and publisher of Security Sales & Integration. He joined CE Pro in 2000 and serves as Editor-in-Chief of that brand. He served as chairman of the Security Industry Association’s Education Committee from 2000-2004 and sat on the board of that association from 1998-2002. He is also a former board member of the Alarm Industry Research and Educational Foundation. He has been a member of the CEDIA Business Working Group since 2010. Jason graduated from the University of Southern California. Have a suggestion or a topic you want to read more about? Email Jason at

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  Article Topics

News · Primacoustic · All Topics
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