Eminent Technology

Short description: American audio electronics company

Eminent Technology

Type| Private
Industry| Audio electronics
Founded| 1983
Founder| Bruce Thigpen
Headquarters| Florida, U.S.

Key people

| Bruce Thigpen
Products| Home audio, audio equipment
Website| www.eminent-tech.com

Eminent Technology is an American audio electronics company based in Florida, established in 1983 by Bruce Thigpen. Their first product was an air bearing straight-line tracking tonearm for phonograph playback, and was the first implementation of a captured air bearing for tonearm use.[citation needed] It was followed by a more advanced version of the tonearm.

In 1985 the company began developing planar magnetic loudspeakers and in 1987 introduced the world's first full-range push-pull[clarification needed] planar magnetic loudspeaker, the LFT-3. Another of the company's products is the Thigpen Rotary Woofer. Typical subwoofer products are inefficient at producing desired sound pressure levels at frequencies below 20 Hz,[1] but the TRW is designed to cover the range down to 1 Hz of the sound spectrum.[2] (The technical principle would allow even zero Hz.[3])

In the 90s Eminent Technology developed a smaller planar transducer for automotive applications. This was adapted for computer speakers as the LFT-11, a multimedia speaker system,[4] The company licensed the technology to Sonigistix and it appeared in Monsoon and other brands.[5]

Currently five US patents have been granted to Eminent Technology products. The company manufactures most of its products at its own facility in Tallahassee, Florida.

## References

1. ↑ Barstow, Loren. "Home theater subwoofers guide -- How to choose the right size and power level". Crutchfield New Media, LLC. http://www.crutchfield.com/learn/learningcenter/home/speakers_subwoofers.html. Retrieved February 5, 2016.
2. ↑ Atkinson, John (16 September 2016). "Now That's a Subwoofer!". Stereophile. Archived from the original on December 10, 2010. https://web.archive.org/web/20101210193500/http://blog.stereophile.com/cedia2006/091606thigpen/. Retrieved February 5, 2016.
3. ↑ "Eminent Technology TRW-17 Subwoofer Part I: The Only Subwoofer". http://www.iar-80.com/page142.html. Retrieved February 5, 2016.
4. ↑ LFT-11 planar magnetic multimedia loudspeakers by Gary Beard in the December 2003 issue of Positive Feedback magazine
5. ↑ History of Eminent Technologies, retrieved March 11, 2009

## External links

* Rotary Woofer site
* International Audio Review site
* Sound and Vision review
* Stereophile discussion of Bruce Thigpen's contribution to turntable tonearm development, the linear-tracking tonearm
* Michael Fremer writeup on Eminent Technology and the Rotary Woofer breakthrough
* Eminent Technology website

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