F# Phrygian Mode

Notes in the F# Phrygian Mode

Degree Name Note Frequency (A=440)
1 Tonic F# 369.994 Hz
♭2 Phrygian 2nd G 391.995 Hz
♭3 Minor Mediant A 440.000 Hz
4 Subdominant B 493.883 Hz
5 Dominant C# 277.183 Hz
♭6 Minor Submediant D 293.665 Hz
♭7 Subtonic E 329.628 Hz

Interval Pattern

Formula: H-W-W-W-H-W-W
Step Interval Semitones From Note To Note
1 Half Step (H) 1 F# G
2 Whole Step (W) 2 G A
3 Whole Step (W) 2 A B
4 Whole Step (W) 2 B C#
5 Half Step (H) 1 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# minor minor
♭2 G G major
♭3 A A major
4 B B minor minor
5 C# C# diminished diminished
♭6 D D major
♭7 E E minor minor

Key Signature

6 — The F# key signature uses F#, C#, G#, D#, A#, E#.

F# Phrygian Mode in Practice

The F# Phrygian Mode 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 Phrygian mode has a dark, exotic quality due to its flat 2nd degree. It is characteristic of Spanish flamenco music and heavy metal, creating an intense, mysterious atmosphere.

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
B 493.883 Hz 495.000 Hz 490.548 Hz
C# 277.183 Hz 278.437 Hz 279.067 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# Phrygian Mode 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.