REED TONE QUALITY.
The characteristic of a reed tone is its very heavy upper harmonic develop-
ment. Whereas in a diapason quality the upper harmonic development
is only moderate compared to the fundamental and second harmonic,
in a reed chorus the upper harmonic development can he as great as the
fundamental and second harmonic.
Combination, 77,7777,777 is a chorus reed quality with strong sub-octave
or 16 foot tone.
Combination 00,7777,665 is a milder reed chorus.
Combination 35,4687,865 is an example of a very strident reed of the
trumpet quality.
The above are examples of chorus reed tones. Solo Reeds, as their name
implies, are most effective when played as single notes for solo passages.
Some examples of solo reed tones are:
Combination 00,6270,520, a clarinet quality (note large third harmonic).
Combination 00,3675,210 is an organ oboe quality.
Figure 3. Graphs of the wave patterns of string and reed, pitch “A.”
NEW TONE QUALITIES.
Besides the flute, diapason, string and reed tones, the Hammond Organ
can produce countless tones that have never been heard before in a classical
instrument.
In the Hammond Organ any harmonic may be developed independently
of the other harmonics. Also, any harmonic may be entirely suppressed.
Thus, its tonal possibilities are not limited as are those of musical instru-
ments heretofore developed. For instance, tones are available in which
even the fundamental is entirely absent. It is these unfamiliar harmonic
absences which make new such combinations as 00,0261,111 or 00,1426,030.
There are an endless variety of these unfamiliar tone qualities and the
performer must use his own discretion in employing them. While they
may effectively be adapted to certain modern music they are not all suitable
for classical organ literature.
"CHORUS GENERATOR ."
An additional feature now obtainable on Models B and E consoles is
that known as the "Chorus Generator." This imparts a new and
extraordinary richness and beauty, instantly noticeable even to the
untrained ear.
Page Nine
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