Bob's Expanded Alto™
Bob Culbertson's Expanded Alto tuning has identical string
relationship to the
10-string Matched Reciprocal™ tuning
but transposed up a major 6th on both sides.
Melody
- A
- E down a 4th
- B down a 4th
- F# down a 4th
- C# down a 4th
Bass
- A
- E up a 5th
- B up a 5th
- F# up a 5th
- C# up a 5th
Range of tuning: