— Organ Specifications —

MAIN ORGAN

 

Hoofdwerk (Manual II)

Prestant                        16'
Octaaf                           8'
Quintadeen                  8'
Octaaf                           I–II 4'
Nasat                            I–II 3'
Superoctaaf                 I–II 2'
Sesquialter disc.          III–IV 2 2/3
Mixtuur bas/disc.        IV–VII 1'
Scherp bas/disc.          IV–VII 1'
Fagot                             16'
Trompet                        8'

Bovenwerk  (Manual III)

Prestant                         I–II 8'
Baarpijp                         8'
Quintadeen                   8'
Octaaf                             I–II 4'
Holfluit                           4'
Quint                              I–II 3'
Woudfluit                      I–II 2'
Ruispijp                         III–VI 2'
Tertiaan                         II–III 1 3/5'
Dulciaan                        8'
Vox humana                 8'

Rugwerk (Manual I)
Prestant                        I–II 8'
Holpijp                          8'
Quintadeen                  8'
Octaaf                           I–II 4'
Open fluit                     I–II 4'
Octaaf                           I–II 2'
Sifflet                            I–II 1'
Sesquialter                  II–III 2 2/3
Mixtuur                        III–VIII 2'
Scherp                          III–VIII 1'
Scherp                          IV 1 3/5'
Trompet                       8'

Pedaal
Bourdon                      16'
Prestant                       8'
Roerquint                    6'
Octaaf                          4'
Bazuin                         16'
Trompet                      8
Trompet                      4'

Tremulants:

Whole organ

Rugwerk

Bovenwerk

Couplers
I/II, II/I, III/II, I/P, II/P, III/P

 

3,442 pipes


Tuning a1 = 440 Hz
Equal Temperament

Range
Rp: C, D, E – d2
Hw & Bw: C – d2
Pd: C – d1

1686: Duyschot
1727: Vater
1992:
Flentrop Orgelbouw

 

SMALL ORGAN

 

Hoofdwerk (Manual I)

Holpijp                         8'

Prestant                       4'
Gemshoorn                 4'
Octaaf                          2'
Sesquialter                  II
Mixtuur                        III–IV

Borstwerk  [Swellbox]  (Manual II)

Holpijp                         8'
Open Fluit                    4'
Nachthoorn                 2
Cymbel                         I–II

Regaal                          8'

Tremulant

Pedaal

Subbas                        16'

Couplers

II/I, I/P, II/P




Tuning a' = 440 Hz
Equal Temperament

Range: C – f3

Pedal range: C – d1

1963: D. A. Flentrop
2000:
Flentrop Orgelbouw

Image from De orgels van de Westerkerk in Amsterdam, by Maria Balkenende.