| D. Broadus Keele, Jr., was born in Los Angeles,
California, on Nov. 2, 1940. After serving in the U. S. Air
Force for four years as an aircraft electronics navigation
equipment technician, he attended California State Polytechnic
University at Pomona, where he graduated with honors and B.S.
degrees in both electrical engineering and physics. Mr. Keele
worked as an audio systems engineer for Brigham Young University
in Provo, Utah from 1969 to 1972, where he received his M.S.
degree in electrical engineering in 1975 with a minor in acoustics. |
| From 1972 to 1976, Mr. Keele was with Electro-Voice,
Inc. in Buchanan, Michigan, as a senior design engineer in
loudspeakers, concentrating on high-frequency horns and low-frequency
vented-box loudspeaker systems. He is the primary designer
of their "HR" series of constant directivity horns
on which he holds the patent. For one year, starting in 1976,
he worked for Klipsch and Associates in Hope, Arkansas, as
chief engineer involved in the company's commercial line of
loudspeakers. From 1977 to 1984, he was with JBL, Inc, in
Northridge, California, as a senior transducer engineer working
on horn and monitor loudspeaker system design. He also holds
two patents on JBL's "Bi-Radial" series of constant
directivity horns. |
| Mr. Keele was employed by the Techron Division,
Crown International, Elkhart, Indiana from 1984 to 1989, where
he was Manager of Software Development and responsible for
the TEF System 12 Time Delay Spectrometry Analyzer software.
While at Techron, he was the designer/programmer for two software
packages for the TEF System: EasyTEF, a program for doing
general-purpose TDS measurements; and TEF-STI, a program for
measuring speech intelligibility |
| From 1989 to 2000, he operated his own consulting company,
DBK Associates, working primarily for Audio Magazine, Hachette-Filipacchi
Magazines, Inc., as their Senior Editor in charge of loudspeaker
reviews where he wrote over 100 loudspeaker review articles.
In 1996, he rejoined Electro-Voice, Div. Of Telex Communications,
as a Senior Research Engineer. In 2000, he joined Harman-Becker
Automotive Systems, Martinsville, Indiana, as a Principal
engineer in the advanced technology development group where
he shares an office with Richard Small (of Thiele-Small loudspeaker
parameters fame). |
| Mr. Keele received the 2001 TEF Richard C. Heyser Award
for contributions to loudspeaker measurements. In 2002 he
received a Scientific and Technical Academy Award from the
Academy of Motion Picture Arts and Sciences for work he did
on Cinema constant-directivity loudspeaker systems and is
listed in the AES Audio Timeline where he pioneered the design
of constant-directivity high-frequency horns in 1974. Mr.
Keele has been married for 35 years, has four children, two
grand children, and resides in Bloomington, Indiana, USA (as
of June 2004). |
