Adjusting The Pitch; Selecting A Temperament - Korg concert A-4501 Owner's Manual

7. Adjusting the pitch

You can mak e fine adjustments to the pitch.
This allo ws you to precisely match the pitch when
playing with other instruments.
The pitch can be adjusted in 0.5 Hz steps o ver a range
of 427.5–452.5 Hz (Hertz).
Raising the pitch
❍ Hold down the [TOUCH] switch, and press the
[PART 2] switch.
Each time you press the switch, the pitch will be
raised approximately 0.5 Hz.
+
Lowering the pitch
❍ Hold down the [TOUCH] switch, and press the
[PART 1] switch.
Each time you press the switch, the pitch will be
lowered approximately 0.5 Hz.
+
Restoring the original pitch
❍ Hold down the [TOUCH] switch, and simulta-
neously press the [PART 1] and [PART 2]
switches.
The pitch will return to the original setting
(A4=440 Hz)
+
The pitch setting you mak e is remembered e ven when the
MeMO
power is turned of f.

8. Selecting a temperament

There are numerous classical compositions that were
composed using temperaments that dif fer from the
"equal temperament" commonly used today
to reproduce the original sound of such compositions,
the A-4501 pro vides Kirnber ger and Werckmeister
classical temperaments, in addition to the equal
temperament widely used on k eyboard instruments
today , allowing you to select from a total of three
temperaments.
Werckmeister
This is the Werckmeister III scale in vented by Andreas
Werckmeister , the German or ganist and music theore-
tician. This scale w as created in the later Baroque
period to allo w relati vely free transposition.
Kirnberger
This is the Kirnber ger III scale in vented by Johann
Phillip Kirnber ger in the early 18th century , and is
used mainly for tuning harpsichords.
Equal temperament
Nearly all k eyboard instruments today use equal
temperament. This temperament spaces all semitones
at equal distances, and allo ws identical scales to be
played in an y key.
Changing the temperament
❍ Hold down the [TOUCH] switch, and press
either the [ORGAN] or [STRINGS] sound
selector switch to select the desired tempera-
ment.
Werckmeister
Returning to equal temperament
❍ Hold down the [TOUCH] switch, and press the
[Sound selector] switch whose indicator is lit.
When the po wer is turned on, equal temperament will be
MeMO
selected automatically .
About stretched tuning
In order to produce the most natural resonance,
[PIANO 1] and [PIANO 2] use a "stretched tuning"
that mak es the notes of the lo wer range slightly flatter
than equal temperament, and the upper range slightly
sharper .
.In order
Kirnberger
15