Yamaha TP-7220 Manuel du propriétaire - Page 6

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Adjusting The Sound Of Your Timpani

When using the pedal timpani for the first time after unpacking, make sure to set it up according

to the instructions of section "Before Using The Pedal Timpani" on pages 4 and 5.

z Head Tuning*

Tuning is performed for the lowest sound (note)

of the timpani.

For this reason, the heel of the pedal must stay

fully lowered during the tuning procedure.

The proper lowest note (and tonal range) de-

pends on the size of your timpani. For example,

as shown in the figure below, the lowest sound

of a 26" timpani should be tuned to A. When

tuned properly, your Yamaha timpani will give

you its full tonal range without being

overtensioned.

I Standard Tonal Ranges for Yamaha Timpani

32" (81cm)

29" (74cm) 26" (66cm)

Keep the heel of the pedal fully lowered during

the tuning procedure (steps

not specified otherwise.

Strike the head and check the sound. The stan-

dard striking point is shown below.

Striking point

Pedal

G Sound lower than tuning note

¡ Go to step

G Sound higher than tuning note

¡ Loosen tuning bolts by an equal amount

in the order shown in the figure of step

on page 5.

(* Adjusting the head tension to a specific note)

23" (58cm)

20" (51cm)

through

below) if

The standard striking

point lies at distance

B from the kettle

edge, which corre-

sponds to 1/4 to 1/3 of

distance A (distance

between kettle edge

and center of head).

When loosening the tuning bolts, always

loosen them by double the desired amount,

and then return (retighten) them by half.

When the sound lies within 1 halftone

below the desired pitch after loosening

the tuning bolts (repeatedly, if necessary),

proceed with step

Lightly strike the head with the mallet about 2

inch (5 cm) from the kettle edge at each tuning

bolt. Check at which tuning bolt the sound is

highest.

G Pitch of highest sound higher than tuning

note

¡ Loosen the corresponding tuning bolt by

about 1/16 to 1/8 of a turn. First loosen

the bolt by double the desired amount,

and then return (retighten) it by half. After

loosening the tuning bolt, repeat from the

beginning of step

G Pitch of highest sound lower than tuning

note

¡ Go to step

Tighten the other bolts little by little (by about 1/

16 to 1/8 of a turn) until the sounds at the corre-

sponding striking points match the pitch of the

highest sound. Please note that tightening of

one bolt will also raise the pitch at the neighbor-

ing and opposite tuning bolts. Thus, after tight-

ening the tuning bolt with the lowest sound, first

reconfirm the sound at the other tuning bolts

before tightening the tuning bolt with the next

lower sound. While alternately tightening the other

bolts, do not touch the tuning bolt with the high-

est sound (reference pitch).

Loosen all overtightened bolts according to the

procedure described in step

approximately the same at each bolt, repeatedly

depress the toe and heel of the pedal several

times.

. When the pitch is