Celebrate Don Keele’s 85th Birthday 🎉

This November 2025, D.B. “Don” Keele Jr.—a pioneer in loudspeaker engineering and acoustics—will be celebrating his 85th birthday! Don’s work has influenced generations of engineers, designers, musicians, and audio enthusiasts around the world. From groundbreaking research on constant-directivity horns to his extensive reviews for Audio Magazine, and his most recent CBT loudspeaker invention, his contributions have left a lasting impact on the field of sound reproduction.

We invite you to help mark this special occasion by leaving a personal birthday message for Don. Share your thoughts, memories, or let him know how his work has inspired or influenced you. Whether you’ve known him personally, followed his career, or benefited from his innovations, your words will make this milestone celebration truly meaningful.

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How to Leave a Birthday Greeting

1. Fill out the form below with your name and email address.
   (Your email will not be published; it is only used for registration.)
2. Write your message in the comment box. This could be:
   • A simple birthday wish 🎂
   • A note of thanks for Don’s contributions to audio engineering 🎶
   • A personal memory or story about how his work impacted you
3. Submit your comment. Please note:
   • All comments will be reviewed before posting.
   • Your message may not appear right away, but it will be published once approved.