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6
3
Repeat steps
through
bolt is exactly the same.
7
Check the sound by striking the head as de-
2
scribed in step
.
G Sound lower than tuning note
¡ Tune the instrument by tightening all tun-
ing bolts by an equal amount (max. 1/16
of a turn).
G Sound higher than tuning note
¡ Tune the instrument by loosening all tun-
ing bolts by an equal amount (max. 1/16
of a turn) according to the procedure de-
scribed in step
8
Operate the pedal as described in step
pitch does not change, the instrument is tuned
properly.
(If the pitch changes, repeat from step
The instrument is now tuned to the lowest sound
(note) of its tonal range. Depress the toe of the
pedal to change to a higher pitch (note).
9
After tuning, perform x Pedal Adjustment and
then c Tuning Indicator Adjustment.
5
until the pitch at each
3
.
5
. If the
7
.)
Adjusting The Sound Of Your Timpani
x Pedal Adjustment
After depressing the toe and heel of the pedal, turn
the spring tension adjustment bolt as described be-
low.
G Heel moves up when releasing the foot from
the pedal after depressing the heel, or heel
feels heavier than toe
¡ Turn the spring tension adjustment bolt to
the left (counterclockwise)
G Toe moves up when releasing the foot from
the pedal after depressing the toe, or toe feels
heavier than heel
¡ Turn the spring tension adjustment bolt to
the right (clockwise)
Turning the spring tension adjustment bolt is per-
formed using the timpani key. Do not turn by too
many full rotations at once, but re-check the adjust-
ment state every 2 turns by depressing the toe and
heel of the pedal.
Do not loosen the spring tension ad-
Note
justment bolt by more 3 rotations at a
time, as the toe of the pedal tends to
drop abruptly after a specific point.
Never put your hands etc. under the
Caution
pedal.
Spring
G Pedal balance spring mechanism
Your Yamaha pedal timpani is equipped with a unique
pedal balance spring mechanism (a coil spring coun-
teracting the tension of the head) which allows you to
freely change the pitch (note) of the instrument at an
instant. When the pedals are moved, the pitch of the
head will change, and the balance spring ensures that
the pedal angle (pitch) will not change when you re-
move your foot from the pedal.
Spring tension
adjustment bolt
Timpani key
7
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