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The HenryWillis III Grand Organ

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Specification of the Grand Organ

The Grand Organ was built by Henry Willis & Sons between 1922 and 1932, in the West Gallery of the Cathedral. In 1984 it was completely overhauled and restored by Harrison and Harrison. Improvements in the mechanical layout were made, and these included conversion of the pneumatic actions to an electro-pneumatic system. Early in 1996, Harrison and Harrison cleaned and overhauled the instument, revoicing selected stops to their pre-1984 state and adding a sequencer to control the general pistons. The main console is in the centre of the organ gallery. The specification is as follows:

GREAT ORGAN
Great First Division
Double Open Diapason 16 16
Open Diapason No. 1 8 8
Open Diapason No. 2 8 8
Octave 4 4
Octave Quint 2 2⁄3 2/3
Super Octave 2 V
Grand Chorus 15.19.22.26.29 V V
Double Trumpet 16 16
Trumpet 8 8
Clarion 4 4
Great Second Division
Bourdon 16 16
Open Diapason No. 3 8 8
Flûte Harmonique 8 8
Quint 5 1⁄3 1/3
Principal 4 4
Flûte Couverte 4 4
Tenth 3 1⁄5 1/5
Twelfth 2 2⁄3 2/3
Fifteenth 2 2
SWELL ORGAN (Enc)
Violon 16 16
Geigen Diapason 8 8
Rohr Flute 8 8
Echo Viole 8 8
Viole Celeste (AA) 8 8
Octave Geigen 4 4
Suabe Flute (triangular) 4 4
Twelfth 2 2⁄3 2/3
Fifteenth 2 2
Harmonics 17.19.22 III III
Vox Humana 8 8
Oboe 8 8
Tremulant -
Waldhorn 16 16
Trumpet 8 8
Clarion 4 4
CHOIRORGAN (Enc)
Contra Dulciana 16
Open Diapason 8
Viola 8
Cor-de-Nuit 8
Cor-de-Nuit Celeste 8
Sylvestrina 8
Gemshorn 4
Nason Flute 4
Nazard 22⁄3
Octavin 2
Tierce 13⁄5
Trompette 8
Tremulant -
SOLOORGAN (Enc)
Quintaten 16
Violoncello 8
’Cello Celestes 8
Tibia 8
Salicional 8
Unda Maris 8
Concert Flute 4
Piccolo Harmonique 2
Cor Anglais 16
Corno-di-Bassetto 8
Orchestral Oboe 8
Tremulant -
French Horn 8
Orchestral Trumpet 8
Tuba Magna (unenclosed) 8
ACCESSORIES
8 toe pistons to the Pedal Organ
8 pistons to Choir, Great, Swell & Solo Organs
Balanced expression pedals to Solo,Swell & Choir Organs
8 general pistons with stepper
256 memory levels for Generals
8 memory levels for Divisionals
ff & fff blind reversable pistons
PEDALORGAN
Double Open Bass 32
Open Bass 16
Open Diapason 16
Contra Bass 16
Sub Bass 16
Violon (swell) 16
Dulciana (choir) 16
Octave 8
Principal 8
Flute 8
Super Octave 4
Seventeenth 31⁄5
Nineteenth 22⁄3
Twenty-second 2
Contre Bombarde 32
Bombarde 16
Trombone 16
Octave Trombone 8
COUPLERS
i. Swell Octave
ii. Swell Sub Octave
iii. Swell Unison Off
iv. Choir Octave
v. Choir Sub Octave
vi. Choir Unison Off
vii. Solo Octave
viii. Solo Sub Octave
ix. Solo Unison Off
x. Choir to Pedal
xi. Great to Pedal
xii. Swell to Pedal
xiii. Solo to Pedal
xiv. Swell to Choir
xv. Solo to Choir
xvii. Swell to Great
xviii. Solo to Great
xix. Choir to Great
xx. Solo to Swell
xxi. Great Reeds on Solo
xxii. Great Second Division on Choir
xxiii. Great and Pedal Combinations coupled
xxiv. Generals on Swell Foot Pistons