Standard and Octave Tunings Alternate Tunings
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Roberts Kevin Kastning 14-string Contraguitar C1
String Nos: treble = 1; bass = 14; (octave strings in
lower-case)
Compound: phosB = phosphor bronze; N = nickel; 80/20 = 80/20 bronze; P = plain
(unwound)
(JP custom KK set)
| String No. | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | e | E | a | A | d | D | g | G | b | B | e | E | a | a |
| Gauge | 0.046w | 0.085w | 0.036w | 0.064w | 0.026w | 0.050w | 0.017p | 0.040 | 0.016p | 0.030w | 0.012p | 0.022w | 0.016p | 0.016p |
| Compound | N | N | N | N | 80/20 | 80/20 | P | phosB | P | phosB | P | phosB | P | P |
Roberts Kevin Kastning 14-string Contraguitar C2
String Nos: treble = 1; bass = 14; (octave strings in
lower-case)
Compound: phosB = phosphor bronze; N = nickel; 80/20 = 80/20 bronze; P = plain
(unwound)
(JP custom KK set)
| String No. | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | e | E | a | A | d | D | g | G | b | B | e | E | a | a |
| Gauge | 0.046w | 0.085w | 0.036w | 0.062w | 0.026w | 0.050w | 0.019p | 0.040 | 0.016p | 0.030w | 0.012p | 0.022w | 0.017p | 0.017p |
| Compound | N | N | N | N | N | N | P | phosB | P | phosB | P | phosB | P | P |
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Santa Cruz DKK-12
12-string Extended Baritone gauges
String Nos: treble = 1; bass = 12; phosphor bronze (octave strings in
lower-case)
(JP custom KK set)
| String No. | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | f# | F# | b | B | e | E | a | A | c# | C# | f# | F# |
| Gauge | 0.035w | 0.076w | 0.026w | 0.050w | 0.020w | 0.040w | 0.017p | 0.030w | 0.013p | 0.026w | 0.010p | 0.020w |
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Santa Cruz DKK
6-string Extended Baritone gauges
String Nos: treble = 1; bass = 6
(JP custom KK set)
| String No. | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | E | A | D | G | B | E |
| Gauge | 0.085w | 0.064w | 0.050w | 0.040w | 0.030w | 0.022w |
| Compound | Nickel | Nickel | Nickel | Phos Bronze | Phos Bronze | Phos Bronze |
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Santa Cruz DKK
6-string Extended Baritone gauges
String Nos: treble = 1; bass = 6
(JP custom KK set)
| String No. | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | F# | B | E | A | C# | F# |
| Gauge | 0.085w | 0.064w | 0.050w | 0.040w | 0.030w | 0.022w |
| Compound | Nickel | Nickel | Nickel | Phos Bronze | Phos Bronze | Phos Bronze |
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Santa Cruz D
Concert 6-string gauges
STRING Nos: treble = 1; bass = 6; phosphor bronze
(JP set 790SR)
| String No. | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | E | A | D | G | B | E |
| Gauge | 0.056w | 0.046w | 0.036w | 0.026w | 0.017p | 0.013p |
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Martin D-12-28
Concert 12-string gauges
String Nos: treble = 1; bass = 12; phosphor bronze (octave strings in
lower-case)
(JP 1400 L set)
| String No. | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | e | E | a | A | d | D | g | G | B | B | E | E |
| Gauge | 0.027w | 0.047w | 0.018p | 0.039w | 0.012p | 0.030w | 0.010p | 0.023w | 0.014p | 0.014p | 0.010p | 0.010p |
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Santa Cruz KK-Alto tuning "A" tuning

Alto 12-string gauges
String Nos: treble = 1; bass = 12; phosphor bronze (all strings unison)
(JP custom KK set)
| String No. | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Tuning | A | A | D | D | G | G | C | C | E | E | A | A |
| Gauge | 0.035w | 0.035w | 0.026w | 0.026w | 0.020w | 0.020w | 0.014p | 0.014p | 0.010p | 0.010p | 0.010p | 0.010p |
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All strings are by John Pearse.