The Brombaugh instrument in Fairchild Chapel is based on organ-building principles of the early 17th century. Although not a replica of any specific model, it was inspired by the work of German organ builders Gottfried Fritzsche and Friedrich Stellwagen.
| Great CDE-c3 with sub-semitones, 56 notes | |
| Praestant | 8 |
| Gedackt | 8 |
| Oak Principal | 8 |
| Octava | 4 |
| Spitzpype | 4 |
| Quinta (Drawing the stop knob halfway brings on the Sesquialtera, which speaks from middle C. When the stop is fully drawn, the Quinta speaks throughout the compass.) | 3 |
| Sesquialtera | II |
| Octava | 2 |
| Mixtura | V-VII |
| Trommett | 8 |
| Brust C/E-c3, 45 notes | ||
| Regal |
8 |
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| Hohlquinta (treble) |
3 |
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| Pedal CDE-d1 with sub-semitones, 28 notes | ||
| Subbass |
16 |
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| Praestant (Gt) |
8 |
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| Trommett (Gt) |
8 |
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| Of Interest | ||
| Wind Pressure: | 78mm |
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| Pitch: | 1c is tuned to 557 Hz | |
| Case: | fumed oak | |
| Case doors and panels: | Western red cedar | |
| Key cover plates for the naturals: | cow bone | |
| Manual sharps: | ebony | |
| Other case materials: | zebrawood, maple, bog oak, rosewood, sugar pine, Douglas fir | |
