Rodgers A648, Owner'S Manual

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APPENDIX A – A DESCRIPTION OF STOPS
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Organ stops are grouped into four main families: Principals, Flutes, Strings and Reeds .
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The Principal family is the group of stops which are unique to the organ, they aren’t
imitative of other instruments. Principals are often referred to as the “backbone” of the
organ and play a strong role in hymn accompaniments and as the foundation of many
chorus registrations. Examples of stops belonging to the Principal family are:
Gravissima Octave Fourniture Fugara
Principal Super Octave Mixtur, Mixture Tenth
Diapason Fifteenth Cymbale, Zimbel Harmonics
Open Diapason Choral Bass Scharf, Scharff Major Bass
Montre Quint, Quinte Rauschquint Contrebass
Praestant Sesquialtera Plein Jeu Open Wood
Prinzipal Terz Seventeenth Oktav
Geigen Nasat, Nazat Twenty-Second Doublette
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The Flute family consists of stops which are generally imitative of orchestral flutes and
recorders. This is an extremely diverse group of stops which function in a myriad of
ways, from acting as a solo color to serving as the basis of ensemble registrations, either
by themselves or in combination with other stops. Examples of stops belonging to the
Flute family are:
Bourdon Bourdon Doux Flauto Traverso Koppelflöte
Flute Chimney Flute Clarabella Larigot
Spitzflöte Rohrflöte Waldflöte Fife
Doppelflöte
Cor de Nuit Hohlflöte Piccolo
Flûte Harmonique Concert Flute Spillflöte Tibia
Stopped Diapason Cornet Nachthorn Lieblich Gedeckt
Holzgedeckt Nazard Orchestral Flute Quintade, Quintaton
Gedeckt, Gedackt Tierce Concert Flute Subbass
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String stops do exactly what you would imagine — they imitate the sound of orchestral
strings. These ranks are smaller in scale than most other ranks and usually have a lot of
upper harmonics and a “clean” or “silvery” timbre. This characteristic makes them well
suited to accompaniment and softer ensembles. String stops include:
Gamba, Gambe Dulcet, Dulcett Viola Pomposa Erzahler
Viole, Viola, Viol Vox Celeste Violincello Gemshorn
Violone Salicional Muted Viols Dulciana
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Members of the Reed family are also very diverse and are used for everything from solo
colors to the fiery crown in a full organ registration. These stops are often imitative of
orchestral reeds and brass. Examples of reed stops are:
Basset Horn Festival Trumpet Musette Regal
Basson Chamade Clarinet Chalumeau
Bombarde Trumpet Oboe Tromba