Inside The Organ at High Street: Great Pipes

The pipes of the great division of the High Street Organ are played from the bottom one of the console's two keyboards. There are some 305 pipes altogether for the great division, with the largest 29 used in the organ's casework, shown at the right. In the picture you see, from left to right, 5 pipes from the Spitz Flöte, 5 from the Diapason, 9 more from the Diapason, then 2 more groups of 5 from the Spitz.

The biggest pipe, in the center, plays the note C, two octaves below middle C.


(This image was scanned from a photograph which appears in the "Lucy Webber Scrap Book", which documents the rebuilding of the High Street Church following the Fire of 1985)
The great division actually has only three stops of its own: The fundamental 8' Diapason, the 8' Spitz Flöte, and the new Octave Chorus, III. The rest of the stops are "borrowed" from the swell division: stop knobs on the great side of the console allow these swell stops to be played from the great keyboard. Just behind the front of the casework's 29 Diapason and Spitz stops are the rest of the pipes for those two stops, as seen here. In this picture, the sanctuary and front of the organ case are to the left. The tallest pipes in the distance are about 4' tall. People who like mathematics will enjoy the exponential-like curve traced out by the tops of the rows of pipes!

In early 1992, the addition of two new stops to the organ was completed: The swell's Nazard, and a terrific Octave Chorus III for the great. For each note on the great manual, three pipes play on the Octave Chorus stop, speaking at various pitches which reinforce the fundamental. And when the great is coupled to itself at the octave, the Octave Chorus III makes the whole organ sound brilliant . The Octave Chorus III pipes themselves sit way up high in the case; the picture at the right shows about half of them. The view is from inside the swell box, through the swell shutters.


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© 2001 by Chip Ross
Associate Professor of Mathematics
Bates College
Lewiston, ME 04240