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New Organs

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Schoenstein & Co., 

Benicia, California

Dahlgren Chapel, 

Georgetown University,

Washington, D.C.

Schoenstein & Co. has built a new organ in the symphonic style for Dahlgren Chapel of Georgetown University in Washington, D.C. The organ of just 16 voices and 19 ranks is an example of distilling the symphonic concept to its essence, providing maximum tonal and dynamic range from a modest stoplist. Half of the instrument’s voices are at 8′ pitch, 25% at 16′, and 25% above 8′. All of the major tonal families are represented, including important solo voices such as the Harmonic Flute, Oboe, Clarinet, and Tuba.

The musical job description for this university organ is quite demanding. In addition to the usual Catholic liturgies, there are many major celebrations (ordinations, baccalaureates, etc.) and a very large number of weddings. The organ is used in various special liturgies as part of the academic program, and it serves the music department as a recital, ensemble, and teaching instrument. Two vital characteristics for success are power and variety. If the organ can’t project an atmosphere of grandeur and doesn’t hold the musical interest of a lot of highly educated people, it will be a failure.

The instrument is a two-manual organ with an additional third manual to access solo stops and a group of ensemble stops along the lines of a Positiv division. The entire instrument with the exception of display pipes is under expression. The Swell includes the Schoenstein double-expression system wherein the high pressure Gambas and Tuba are in a separate expression box located inside the main Swell box. This provides the instrument with an extended dynamic range.

A few stops require some description. The Gamba and Vox Celeste are true strings of keen intonation in contrast to the Salicional, which has some string character but is essentially an Echo Diapason foundational stop. The Tuba in this instrument is a member of the trumpet family—not the dark, sonorous tromba-type. The Corno Dolce is a strongly tapered stop with a mysterious “hybrid” character between flute and string. It is an excellent accompaniment voice and, when extended to the 16′ octave, provides a clean, quick-speaking, pointed bass.

Space always seems to be a concern, especially in a building not originally designed to house an organ. Compact cases were placed on either side of the sanctuary; the 16′ Open Wood Pedal pipes were placed horizontally along the east wall under the window behind a carved and paneled screen. By double-decking the Great and Swell divisions, we were able to keep the casework on either side of the sanctuary quite narrow, thus avoiding the crowding of the huge east end window. 

The organ installation was part of a complete chapel renovation and was provided through a grant from the Lewnowski family. The inaugural recital program was played on November 7, 2014, by Lynn Trapp, who also served as consultant for the project. The director of music, liturgy, and Catholic life is James Wickman, who is also the organist.

 

Schoenstein & Co.

Dahlgren Chapel, Georgetown University, Washington, D.C.

GREAT (Expressive)

16′ Corno Dolce 12 pipes

8′ Grand Open Diapason 61 pipes

    (unenclosed)

8′ Open Diapason 61 pipes 

8′ Harmonic Flute 42 pipes 

    (Corno Dolce bass)

8′ Corno Dolce 61 pipes 

4′ Principal 61 pipes 

4′ Corno Dolce 12 pipes 

  11⁄3′ Mixture (III–IV ranks) 186 pipes 

8′ Tuba Minor (Swell)

8′ Clarinet (TC) 49 pipes 

Tremulant

Chimes

Great Unison Off

Great 4

SWELL (Expressive)

16′ Bourdon 12 pipes

8′ Salicional 61 pipes 

8′ Stopped Diapason 61 pipes 

8′ Gamba† 61 pipes 

8′ Vox Celeste† 61 pipes 

4′ Salicet 12 pipes 

4′ Chimney Flute 61 pipes 

22⁄3′ Nazard (from Chimney Flute)

2′ Fifteenth (ext Salicet) 12 pipes 

13⁄5′ Tierce (TC) 42 pipes 

16′ Bass Tuba† 12 pipes 

8′ Tuba Minor† 61 pipes 

8′ Oboe 61 pipes 

Tremulant

Swell 16

Swell Unison Off

Swell 4

†Stops under double expression

SOLO

Solo Stops

8′ Grand Open Diapason (Great)

8′ Open Diapason (Great)

8′ Harmonic Flute (Great)

8′ Clarinet (Great)

8′ Oboe (Swell)

16′ Bass Tuba (Swell)

8′ Tuba Minor (Swell)

Ensemble Stops

8′ Stopped Diapason (Swell)

4′ Salicet (Swell)

4′ Chimney Flute (Swell)

22⁄3′ Nazard (Swell)

2′ Fifteenth (Swell)

13⁄5′ Tierce (Swell)

Percussion Stops

Harp (Digital)

Celesta (Digital)

Cymbelstern (Acoustic)

Solo 16

Solo Unison Off

Solo 4

PEDAL (Unenclosed)

32′ Resultant

16′ Open Wood 12 pipes

16′ Corno Dolce (Great)

16′ Bourdon (Swell)

8′’ Principal 20 pipes

    (Grand Open Treble)

8′ Salicional (Swell)

8′ Stopped Diapason (Swell)

8′ Corno Dolce (Great)

4′ Fifteenth (Great)

    (from Grand Open)

4′ Flute (Great)

    (from Harmonic Flute)

16′ Bass Tuba (Swell)

8′ Tuba Minor (Swell)

4′ Clarinet (Great)

 

Couplers

Great to Pedal

Great to Pedal 4

Swell to Pedal

Swell to Pedal 4

Solo to Pedal

Solo to Pedal 4

Swell to Great 16

Swell to Great

Swell to Great 4

Solo to Great 16

Solo to Great

Great to Solo

Swell to Solo

Great to Swell

 

Mechanicals

Solid state capture combination action with:

100 Memories

35 Pistons and toe studs

6 Reversibles including Full Organ

Programmable piston range for each memory level

Programmable Crescendo and Full Organ

Piston Sequencer

Adjustable bench

 

Three manuals and pedal 

16 voices, 19 ranks

Electric-pneumatic action

 

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