Allen Organ Company MDS-30 LDS Manual page 6

Principal Voices
Principal
Diapason
Octave
Superoctave
Quinte
Flute Voices
Open Types:
Harmonic Flute
Melodia
Flute mutation stops
Stopped Types:
Gedackt
Bourdon
Quintadena
Rohrflöte
String Voices
Salicional
Viola
Voix Céleste
Compound Voices
Mixture
Cornet
Hybrid Voices
Gemshorn
Erzähler
Spitzflöte
In reed pipes, a metal tongue vibrates against an opening in the side of a metal tube
called a shallot. The characteristic sounds of different reeds are produced through
resonators of different shapes. The family of reeds subdivides as follows:
MDS-30 LDS
Characteristic organ tone, not imitative of orchestral
instruments. Usually present at many pitch levels, as well
as in all divisions. Rich, warm, and harmonically well
developed.
Voices of lesser harmonic development than principals.
Open types somewhat imitative; stopped types not.
Present at all pitch levels and in all divisions.
Mildly imitative voices of brighter harmonic development
than principal. Usually appear at 8' pitch.
Voices produced by more than one rank sounding
simultaneously.
Voices that combine the tonal characteristic of two
families of sound, e.g., flutes and principals, or strings and
principals.
2 Section I