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Organ Specification
The Leach & Overington 89-Key Concert Organ
An 89-key mechanical organ designed, built and owned
by Dr. Andrew Leach and Mr. Tony Overington.
by Andrew Leach (030225 MMDigest)

 
SPECIFICATION OF 89 KEY LEACH & OVERINGTON ORGAN

Wind pressures: 10" main organ, 20" tubas
Total number pipes = 760;
16 registers
42 off wind chests

Melody section 23 notes G to F

Violin piano    4 ranks  92 pipes
Violin forte    7 ranks 161 pipes
Unda maris      2 ranks  46 pipes
Carillon flute  2 ranks  46 pipes (1 stopped gedect, and 1 superoctave open)
Flute 8 melody  2 ranks  46 pipes (octave apart, both open)
Harmonic tuba   3 ranks  69 pipes (1 reed, 1 open flue, 1 string)
Xylophone
Tremulant

Countermelody section 20 notes C to G

Voix celeste            2 ranks  40 pipes
Flute 8 counter melody  1 rank   20 pipes
Violon cello            2 ranks  40 pipes
Cello Grave             1 rank   20 pipes
Harmonic Tuba           3 ranks  60 pipes (1 reed, 1 open flue, 1 stopped flue)

Accompaniment Section 12 notes G to F#

Violin         2 ranks  24 pipes
Stopped flue   1 rank   12 pipes
Flute 16 forte 1 rank   12 pipes (comes on with bass tuba)

Bass section l2 notes G to F#

open flue 2       1 rank
stopped flue 4    1 rank
bass cello         1 rank
8 open principal  1 rank
8 stopped         1 rank
16 stopped        1 rank
Bass tuba          1 rank

Percussion section

Bass drum
Cymbal
Woodblock (changes to snare drum when bass tuba is on)
Triangles


25 February 2003

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