Gary C Gillum

Title: The Innovations of Gary C. Gillum

Introduction

Gary C. Gillum is a notable inventor based in Hope, Arkansas. He has made significant contributions to the field of audio technology, particularly in loudspeaker design. With a total of 5 patents to his name, Gillum's work has had a lasting impact on sound reproduction.

Latest Patents

One of Gillum's latest patents is for a low frequency folded exponential horn loudspeaker apparatus. This innovative design features a folded exponential horn that provides a bifurcated curved sound path from an electroacoustic transducer positioned at the throat of the horn. The design ensures that sound waves are effectively radiated from the bifurcated mouth of the horn. The mean length of the horn is optimized for low frequency reproduction, achieving an effective low end cut-off frequency of 38 Hz. This apparatus can deliver 99 dB SPL output at three meters with just one watt input, demonstrating about 20% efficiency in free space. Additionally, the presence of a single boundary surface, such as a stage floor, enhances amplitude response by 3 to 6 dB.

Career Highlights

Gillum has worked with prominent companies in the audio industry, including Klipsch and Associates, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking audio technologies.

Collaborations

Throughout his career, Gillum has collaborated with notable figures in the industry, including Paul W. Klipsch. These partnerships have fostered innovation and advancement in loudspeaker technology.

Conclusion

Gary C. Gillum's contributions to audio technology through his patents and collaborations have established him as a significant figure in the field. His innovative designs continue to influence sound reproduction today.