F# Super Locrian (Altered Scale)
Notes in the F# Super Locrian (Altered Scale)
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | F# | 369.994 Hz |
| ♭2 | Altered 2nd | G | 391.995 Hz |
| ♭3 | Minor Mediant | A | 440.000 Hz |
| ♭4 | Altered 4th | A# | 466.164 Hz |
| ♭5 | Tritone | C | 261.626 Hz |
| ♭6 | Altered 6th | D | 293.665 Hz |
| ♭7 | Subtonic | E | 329.628 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Half Step (H) | 1 | F# | G |
| 2 | Whole Step (W) | 2 | G | A |
| 3 | Half Step (H) | 1 | A | A# |
| 4 | Whole Step (W) | 2 | A# | C |
| 5 | Whole Step (W) | 2 | C | D |
| 6 | Whole Step (W) | 2 | D | E |
| 7 | Whole Step (W) | 2 | E | F# |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | F# | F# diminished | diminished |
| ♭2 | G | G minor | minor |
| ♭3 | A | A minor | minor |
| ♭4 | A# | A# augmented | augmented |
| ♭5 | C | C | major |
| ♭6 | D | D | major |
| ♭7 | E | E diminished | diminished |
Key Signature
6 ♯ — The F# key signature uses F#, C#, G#, D#, A#, E#.
F# Super Locrian (Altered Scale) in Practice
The F# Super Locrian (Altered Scale) uses the key signature of 6 sharps (F#, C#, G#, D#, A#, E#). F# major has six sharps and is enharmonically equivalent to Gb major. It is used when a sharp key is preferred over the flat alternative in notation. On guitar, F# positions offer open-string resonance for fingering positions for this scale.
The Super Locrian (or Altered scale) is mode VII of melodic minor. It contains every possible alteration of the dominant scale and is the definitive jazz scale for altered dominant chord resolution.
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| F# | 369.994 Hz | 371.251 Hz | 367.911 Hz |
| G | 391.995 Hz | 391.111 Hz | 392.438 Hz |
| A | 440.000 Hz | 440.000 Hz | 436.043 Hz |
| A# | 466.164 Hz | 463.538 Hz | 470.926 Hz |
| C | 261.626 Hz | 260.740 Hz | 261.626 Hz |
| D | 293.665 Hz | 293.332 Hz | 294.329 Hz |
| E | 329.628 Hz | 330.001 Hz | 327.032 Hz |
Related Scales
Guitar: F# Super Locrian (Altered Scale) Positions
The F# key offers 6 sharps (F#, C#, G#, D#, A#, E#) on guitar. Sharp-side keys like F# are idiomatic guitar keys because open strings (E, A, D, G, B, E) align with the scale's natural resonance points.