celtic harp

Geoff Welham; Paraguayan and Celtic Harp String tuning charts

Find string charts for our harps so you can order new strings or use them as a guide to design your own harp. Select the string chart to suit your harp from the pages below. Note these charts are only for harps made or repaired by Geoff Welham.


String Chart for 31 string Celtic Harp

 

olour

STRING
 NO

Note

Frequency
Hz

Vibrating Length
 mm

Vibrating Length
 inches

Diameter
inches

Tension
Lbs

%BS

 

1

A

1760.000

95.000

3.740

0.022

6.480

37.9

 

2

G

1567.982

110.000

4.331

0.022

6.896

40.3

Blue

3

F

1396.913

130.000

5.118

0.025

9.872

44.7

 

4

E

1318.510

165.000

6.496

0.025

14.168

64.1

 

5

D

1174.659

165.000

6.496

0.025

11.245

50.9

red

6

C

1046.502

175.000

6.890

0.025

10.040

45.4

 

7

B

932.328

190.000

7.480

0.028

11.783

42.5

 

8

A

880.000

210.000

8.268

0.028

12.823

46.3

 

9

G

783.991

220.000

8.661

0.028

11.170

40.3

blue

10

F

698.456

245.000

9.646

0.032

14.361

39.7

 

11

E

659.255

265.000

10.433

0.032

14.969

41.4

 

12

D

587.330

290.000

11.417

0.036

18.007

39.3

red

13

C

523.251

310.000

12.205

0.036

16.332

35.7

 

14

B

466.164

335.000

13.189

0.040

18.688

33.0

 

15

A

440.000

360.000

14.173

0.040

19.227

34.0

 

16

G

391.995

390.000

15.354

0.045

22.667

31.7

blue

17

F

349.228

420.000

16.535

0.045

20.865

29.2

 

18

E

329.628

460.000

18.110

0.045

22.298

31.2

 

19

D

293.665

500.000

19.685

0.045

20.910

29.2

red

20

Mid C

261.626

530.000

20.866

0.040/008

28.879

26.1

 

21

B

233.082

573.000

22.559

0.040/008

26.791

24.2

 

22

A

220.000

614.000

24.173

0.040/010

31.461

24.7

 

23

G

195.998

665.000

26.181

0.040/010

29.291

23.0

blue

24

F

174.614

712.000

28.031

0.045/010

31.277

20.9

 

25

E

164.814

768.000

30.236

0.045/012

36.534

21.7

 

26

D

146.832

812.000

31.969

0.050/010

33.361

19.3

red

27

C

130.813

858.000

33.780

0.050/012

33.039

17.1

 

28

B

116.541

900.000

35.433

0.055/012

32.884

14.9

 

29

A

110.000

940.000

37.008

0.055/012

31.958

14.5

 

30

G

97.999

960.000

37.795

0.062/010

28.504

12.0

blue

31

F

87.307

1010.000

39.764

0.062/020

38.746

10.5

 

 

 

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