Chapel Organ

Great

Open Diapason 8'
Stop Diapason 8'
Principal 4'
Flute 4'
Twelfth 2 2/3'
Fifteenth 2'
Sesquialtera III
Mixture II
Cornet IV
Trumpet 8'
Vox Humana 8

Chair

Open Diapason 8'
Stop Diapason 8'
Principal 4'
Nason Flute 4'
Nasard 2 2/3'
Fifteenth 2'
Tierce 1 3/5'
Mixture III
Cromhorn 8'
Tremulant

Pedal

Bourdon 16'
Open Diapason 8'
Principal 4'
Trumpet 8'

Couplers - Choir to Great Great to Pedals Choir to Pedals.
Three mechanical composition pedals for each manual.

Manual compass: C - g³ Pedal compass: C - f¹

The pitch is a¹=421Hz. The tuning is Kellner's reconstruction of Bach's tuning for his Well-tempered Clavier.

The wind pressure is 2 ½" (63mm) for the manuals and 71mm for the pedal.