The organ in Grosvenor Chapel was built
by Abraham Jordan and installed in 1732. It had Great and short compass
Swell divisions and no pedals. It stood in an upper gallery at the west
end, a position it occupied until 1908. It was altered twice in the
19th c. by Bishop, and rebuilt in 1908 by Ingram. In 1930 J.W.Walker
and Sons built a new two manual organ incorporating much second-hand
pipework both from the old instrument and from elsewhere. The case was
widened, and the organ had 21 stops, electropneumatic action and a stop
key console.
This instrument was replaced in 1991 by William Drake of Buckfastleigh, Devon, who built a new organ in a broadly 18th c. English style. The Great has the traditional long compass and all pipework is new except for the treble of the Swell Stopped Diapason. The original Jordan front pipes survive, but were not used in 1991 as they are not at 'modern' pitch. The organ is tuned to an unequal temperament and has mechanical action for keys, pedals and stops. The console was modelled on surviving 18th c examples and the pedalboard is flat and straight. Soundboards are of traditional construction with no modern materials, and the action is unbushed. The case was remade and restored by William Drake.
The scaling and treatment of the diapason stops is based on the surviving front pipes, and the Great Stopt and Flute are modelled on ranks in the Seede organ at Lulworth Castle. The Great Cornet is a copy of that in the England organ at Blandford Forum in Dorset, and the reeds are based on the early 19th c. William Alien stops at Everingham in Yorkshire.
The organ was inaugurated by Gustav Leonhardt
in May 1991.
| Great GG/AA - f''' 58 notes |
Swell
C - f''' 54 notes |
||
| Open Diapason | 8 | Open Diapason | 8 |
| Stopt Diapason | 8 | Stopt Diapason | 8 |
| Principal | 4 | Principal | 4 |
| Flute | 4 | Fifteenth | 2 |
| Twelfth | 2 2/3 | Mixture | III |
| Fifteenth | 2 | Cornet Treble | III |
| Furniture | III | Cornet Bass | III |
| Sesquialtera | III-IV | Trumpet | 8 |
| Cornet | V from middle c | Hautboy | 8 |
| Trumpet Treble | 8 | Tremulant | |
| Trumpet Bass | 8 | ||
 |
|
||
| Pedal C-f | 30 notes | ||
| Stopt Diapason | 16 | Swell to Great | |
| Principal | 8 | Swell to Pedal | |
| Trumpet | 16 | Great to Pedal | |
| Three couplers | |||
| Tremulant | |||
| Grosvenor Termperament | |||
The lowest 4 notes of the Great may also be played
by 4 toe pedals placed above the lowest notes of the pedalboard when
Great to Pedal is drawn.
