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Brombaugh testing an organ pipe, 16 June 2011
|Alma mater||University of Cincinnati|
Personal life and early training
Born in Dayton, Ohio, Brombaugh (related to the Brumbaugh families) has degrees in Electrical Engineering from the University of Cincinnati (EE, 1960) and Cornell University (MS-EE, 1963) specializing in the field of acoustics, in particular musical acoustics.
As a lifelong lover of classical music, especially as he heard ancient European organs on recordings - e.g. E. Power Biggs' The Art of the Organ and Helmut Walcha's of J.S. Bach's music on the Schnitger organ in Cappel, he became an apprentice under the two leading American tracker action pipe organ builders, Fritz Noack (1964–1966) and Charles Fisk (1966–1967) and then served as a journeyman (Geselle) with the Rudolph von Beckerath firm in Hamburg in 1967–68 to complete his training, especially in making reed pipes. While in Hamburg, Brombaugh used every opportunity to study the many historic organs in northwest Germany and adjacent Netherlands.
In June 1968, he established his own firm, John Brombaugh & Co., in the farmlands west of Germantown, Ohio, his hometown; this sole proprietorship eventually became a partnership including George Taylor, John Boody, Herman Greunke and others. In 1977, the partnership dissolved in a friendly way when Brombaugh moved his firm to Eugene, Oregon under the new name, John Brombaugh & Associates, Inc. that continued until completing its final instrument in summer 2005. He built 66 organs that are located in 23 states, Canada, Sweden and Japan and was a teacher to many upcoming younger builders, e.g. Bruce Shull, Michael Bigelow, Charles Ruggles, Paul Fritts, Munetaka Yokota, Bruce Fowkes, Trent Buhr, Karl Nelson, David Petty, Aaron Reichert. A grant from the Ford Foundation in Spring 1971 enabled Brombaugh to do intense study of about 100 historic organs in Germany, the Netherlands, France, Switzerland, Austria and Italy and he has continued his studies all possible times since.
Organ building style
The majority of Brombaugh organs are tuned in a "Well temperament." This enables them to play music composed in any key but, compared with Equal Temperament, favors the central keys used in most organ literature of all periods. Since its introduction in 1978, the "Bach" temperament by Herbert Anton Kellner has become Brombaugh's standard tuning, though several of his organs are tuned in 1/4 Syntonic comma Meantone where their primary intention is for historically oriented performance of the organ literature older than that of Johann Sebastian Bach's. Many of his easily movable small positives have transposition capabilities to facilitate their playability at different pitches; these (excepting his Op. 2 that was made during his apprenticeship with Noack) are his only instruments tuned in Equal Temperament.
Although he has been interested to recover and use many of the lost concepts from the ancient organ-builders (e.g., they only use mechanical key action), he also considers himself a builder of this time who is amenable to the use of the best current construction methods and the use of ideas necessary for the convenience required by organists of our time. For example, his Opus 35] - an organ of 3,250 pipes, 3 manuals and pedal with 46 stops that was dedicated on Pentecost 2001 at the First Presbyterian Church in Springfield, Illinois (of which congregation Abraham Lincoln and his family attended, and Mary Todd Lincoln was a member) - is a synthesis of historical and modern techniques.
Among John Brombaugh's contributions to modern organ-building are:
- the first use in modern times of an unequal temperament for tuning a large pipe organ in North America - on his Op. 4 at First Lutheran Church, Lorain, Ohio that was dedicated by David Boe  in June 1970. The temperament used was Andreas Werckmeister's IIIrd temperament, Werckmeister's first inventive departure from the ancient Pythagorean or Meantone tunings. This temperament has since been used on many new organs worldwide. 
- general absence of plywood in the construction of his instruments, especially in the casework and by the earliest return in 20th century organ-building (beginning in 1968) to using only solid wood for the windchest tableboards.
- consistent use of fine architectural concepts and details for his case designs, for example, those described by the renowned Renaissance artisan, Andrea Palladio and those found in instruments made by the late Gothic builders. He has also been interested to develop designs with suitable modern styles where appropriate, not just to work only making historically governed copies.
- the first use of hammered pipe metal in modern times in the United States, also done for his Op. 4 for Lorain, Ohio.
- beginning in 1970 with his Op. 4 for Lorain, Ohio, consistent use of "wedge bellows" in all of his work to provide a slightly unstable winding that gives the organ a more musical character or "life." A few of Brombaugh's instruments have the mechanism needed so the organ's wind could be produced by foot pumping its bellows - the norm before electricity (or other energy sources) could take over this rather boring job.
- beginning in 1970, development and use of an electronic "tuning machine" having a CRT display that can be set for any temperament and a reference pitch variable over a 4:5 ratio; the device provides an accuracy of 1/5 cent or 0.1 Hz and also has a filter settable to observe the various harmonics individually so all pipes of compound stops (such as the Mixtures and Cornets) may be very accurately tuned.
- the first use worldwide of the high lead content pipe metal alloy such as was found in the work of Hendrik Niehoff in 16th century northwestern Europe for his Op. 19 at Central Lutheran Church in Eugene, Oregon.
- among the first uses of Meantone tuning in a major new organ in the United States, (along with Charles Fisk's organ at Houghton Memorial Chapel, Wellesley College and Gene Bedient's organ at Augustana College in Rock Island, IL) for his Op. 24 organ for Fairchild Chapel at Oberlin College that was dedicated in September 1981 by Harald Vogel. Meantone organs in North America remain very rare.
- the general use of "vocale" voicing of the pipes to achieve the tonal beauty so common to the organs in and prior to Bach's lifetime.
- first installation into Continental Europe since the 1930s of a new pipe organ built in the United States - the Meantone organ for the Hagakyrkan in Göteborg, Sweden, dedicated by Harald Vogel on March 8, 1992.
- first use of the Ruckpositive in a major concert hall organ - by using two Ruckpositive divisions to the left and right so the organist is not hidden from view of the audience in the Toyota City, Japan, Op. 37 instrument inaugurated by Harald Vogel on November 11, 2003.
Brombaugh Organs of Note
|Trinity Lutheran Church, LC-MS||Ithaca, New York, USA||2||1966|
|First Lutheran Church||Lorain, Ohio, USA||4||1970|
|Ashland Avenue Baptist Church   Upon closing the church in Oct 2006, moved to
Sacred Heart RC Cathedral, Rochester, NY, for use by Eastman Rochester students,  
and moved again to St. Michael's RC Church, Rochester, until planned installation at Sonoma
State University (California State University at Rohnert Park, CA 94928) becomes possible
|Toledo, Ohio, USA||9||1972|
|Private residence practice organ||Nebraska, USA||12b||1973|
|First Methodist Church||Oberlin, Ohio, USA||15||1974|
|Grace Episcopal Church||Ellensburg, Washington, USA||16||1974|
|Central Lutheran Church  ||Eugene, Oregon, USA||19||1976|
|St. John's Presbyterian Church ||Berkeley, California, USA||20||1979|
|St. Mark's Episcopal Chapel, UConn ||Storrs, Connecticut, USA||21||1979|
|Christ Episcopal Church||Tacoma, Washington, USA||22||1980|
|St. Paul's Lutheran Church||Durham, North Carolina, USA||23d||1977|
|Fairchild Chapel, Oberlin College||Oberlin, Ohio, USA||25||1981|
|Southern Adventist University||Collegedale, Tennessee, USA||26||1986|
|Hagakyrkan ||Göteborg, Sweden||28||1992|
|Iowa State University, Music School Recital Hall ||Ames, Iowa, USA||29||1987|
|Pilgrim Lutheran Church||Beaverton, Oregon, USA||30||1987|
|St. Barnabas Anglican Church||Victoria, British Columbia, Canada||31f||1988|
|Christ Church, Christiana Hundred, Episcopal ||Wilmington, Delaware, USA||32||1990|
|Lawrence University Memorial Chapel||Appleton, Wisconsin, USA||33||1995|
|Duke University Memorial Chapel   ||Durham, North Carolina, USA||34||1997|
|First Presbyterian Church||Springfield, Illinois, USA||35||2001|
|Toyota City Concert Hall ||Toyota City, Aichi Prefecture, Japan||37||2002|
|Florence Henry Memorial Chapel, The Highlands (Brombaugh's final instrument)||Seattle, Washington, USA||38b||2005|
- Owen, Barbara (2001). "Brombaugh, John". The New Grove Dictionary of Music and Musicians 4 (2 ed.). New York: Grove's Dictionaries. ISBN 1-56159-239-0.
- the Westfield Center conference in Eugene, April 2010, celebrating Brombaugh's influence on modern organbuilding
- How It All Got Started by David Boe for a conference at the Eastman School of Music,
- Rochester, NY, October 2006, describing the state of the Pipe Organ in America in our time
- University of Cincinnati alumni magazine article with notes on Brombaugh's work, particularly on the historic
- Niehoff-Dropa (1551, 1714) organ at the Johanniskirche, Lüneburg, Germany and a photo of his Op. 37 in Toyota City, Japan
- The Development of America's Master Organ Builder - doctoral thesis by Homer Ashton Ferguson
- Information on many Brombaugh organs including Notes from the Builder on his Op. 19 at Central Lutheran Church in Eugene, Oregon
- "Pipe Organ Builder - John Brombaugh" a synopsis of an article in The Lutheran (June 1998)
- Herbert Anton Kellner's "Bach" temperament, an explanation from English Harpsichord Magazine and Early Keyboard Instrument Review (EHM), April 1978, p. 32-36