Mesurement of the intonation

I must check the intonation during tuning.


One example

before tuning

 numbers denomination is "cent".Blue is high,red is low.Left side of the table is low range,andright side of the table is high range.

   Lowest tone is pedal F.

   alphabet is inC in orchestra.

            I describe each tone,"dark" "bright" "no center" "two centers" "narrow" "pulled down" etc.


This instrment is H.Hoyer4801.
The owner is a woman.

    Characterlistic:In low range octave data are very low,in high range octave data are rather high.

B






B1












B







f





b




d1



f1





b1


2


d2



f2




a2

b2

h2

c2







25












15







10





15







5





5


20





25





30



A





A1












A







e





a




cis1



e1





a1


h1


cis2



e2




as2

a2

b2

h2

c2






40












5







15





15







10





5


15





25





25




As




As1












As







es





as




1



es1





as1


b1


2



es2




g2

as2

a2

b2

h2

c2





90












5







0





5




30



15





5







10





25





G



G1












G







d





g




h



d1





g1


a1


h1



d2




fis2

g2

as2

a2

b2

h2





60












5







20





15




15



10





10







15





25






Fis


Fis1












Fis







cis





fis




b



cis1





fis1


as1


b1



cis2




f2

fis2

g2

as2

a2

b2

















5







15





10







0





5












15







F

F1












F







c





f




a



1





f1


g1


a1



2




e2

f2

fis2

g2

as2

a2



c2














0







0





5







0





0


15


5



30





10

30


25





E












E







H





e




as



h





e1


fis1


as1



h1




es2

e2

f2

fis2

g2

as2



h2














30







0





10




0



0





10


10


0



15





25



15






Es











Es







B





es




g



b





es1


f1


g1



b1




d2

es2

e2

f2

fis2

g2



b2














25







5





10




5



5





15







20





10

30









D










D







A





d




fis



a





d1


e1


fis1



a1




cis2

d2

es2

e2

f2

fis2



a2














15







5





25




5



5





10







25





25











Cis









Cis







As





cis




f



as





cis1


es1


f1



as1




2

cis2

d2

es2

e2

f2



as2














20







5





15







5





5







20





15


25


10








C








C







G





c




e



g





1


d1


e1



g1




h1

2

cis2

d2

es2

e2



g2














10

















































H







H1







Fis





H




es



fis





h


cis1


es1



fis1




b1

h1

2

cis2

d2

es2



fis2














0




















































After each step of tuning ,I check the intonation of the instrument.

Here I show the data of the end of the session.Tuning was finished and the customer came.

    Characterlistic difference:In low range octave data are alittle low,in high range and middle range data are inproved.


B






B1












B







f





b




d1



f1





b1


2


d2



f2




a2

b2

h2

c2







15












0







15





5







25





15


25





10





10



A





A1












A







e





a




cis1



e1





a1


h1


cis2



e2




as2

a2

b2

h2

c2






10












0







25





5







20





20


20





20





10




As




As1












As







es





as




1



es1





as1


b1


2



es2




g2

as2

a2

b2

h2

c2





15












20







15





5




5



5





25







0





5





G



G1












G







d





g




h



d1





g1


a1


h1



d2




fis2

g2

as2

a2

b2

h2





25












10







5





5




0



10





25







5





15






Fis


Fis1












Fis







cis





fis




b



cis1





fis1


as1


b1



cis2




f2

fis2

g2

as2

a2

b2





15












0







0












0





25







0





0







F

F1












F







c





f




a



1





f1


g1


a1



2




e2

f2

fis2

g2

as2

a2



c2


10












0












5




5



15





15


10


15



15





0

10


0





E












E







H





e




as



h





e1


fis1


as1



h1




es2

e2

f2

fis2

g2

as2



h2














10







10





0







15





15


5


10








25



5






Es











Es







B





es




g



b





es1


f1


g1



b1




d2

es2

e2

f2

fis2

g2



b2














0







15





10




20



20





15







15





15

40









D










D







A





d




fis



a





d1


e1


fis1



a1




cis2

d2

es2

e2

f2

fis2



a2














15







0





5







15





15







15
















Cis









Cis







As





cis




f



as





cis1


es1


f1



as1




2

cis2

d2

es2

e2

f2



as2














0












15







15





15







25





15


25


5








C








C







G





c




e



g





1


d1


e1



g1




h1

2

cis2

d2

es2

e2



g2














10

















































H







H1







Fis





H




es



fis





h


cis1


es1



fis1




b1

h1

2

cis2

d2

es2



fis2














5






















































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