Guitar Scale Logic

Interactive Guitar Scale Finder

Guitar Scale Logic

F# Diminished Guitar Scale in Half Step Down

Diminished scale notes, fretboard positions and guitar tabs for Half Step Down.

Formula 1 2 b3 4 b5 b6 6 7
Tuning D# A# F# C# G# D#
Scale Notes 8 notes

Interactive fretboard

Scale Map

Root notes are highlighted in amber. Use the buttons to isolate each five-fret position.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
D# D#
F
F#
G#
A
B
C
D
D#
F
F#
G#
A
B
C
A#
B
C
D
D#
F
F#
G#
A
B
C
D
D#
F
F#
G#
F# F#
G#
A
B
C
D
D#
F
F#
G#
A
B
C
D
D#
C#
D
D#
F
F#
G#
A
B
C
D
D#
F
F#
G#
A
B
G# G#
A
B
C
D
D#
F
F#
G#
A
B
C
D
D#
F
F#
D# D#
F
F#
G#
A
B
C
D
D#
F
F#
G#
A
B
C
Root Note Scale Note

Scale Tablature

Position 1

D#|------------------------------------------0--2--|
A#|---------------------------------1--2--4--------|
F#|------------------------0--2--3-----------------|
C#|---------------1--2--4--------------------------|
G#|---0--1--3--4-----------------------------------|
D#|3-----------------------------------------------|

Pattern shows scale notes in 0-4 frets for position 1.

Theory & Context

Why This Shape Works

F# Diminished in Half Step Down tuning puts the notes F#, G#, A, B, C, D, D#, F under your fingers in a layout that feels tense, patterned and highly dramatic. Half step down keeps standard tuning geometry while lowering the overall pitch, which softens the string feel and gives classic rock phrasing a slightly darker colour. On this page you can switch between all visible notes or five smaller positions, study a pre-rendered tab pattern for each zone and match the sound against chords that stay inside the scale. Because the interval formula is 1 2 b3 4 b5 b6 6 7, every diagram here is generated from exact semitone math instead of guessed text. Start with Position 1 to lock in the tonic, then connect Positions 2 and 3 so you can move into riffs, lead fills and improvised phrases without losing the key center.

Overview

Diminished sounds tense, patterned and highly dramatic and is especially useful for transition runs, shred lines and diminished dominant colour. Half Step Down feels familiar but slightly darker and looser.

Pro Tip

Sequence the repeating interval pattern and resolve the tension on a strong chord tone. In Half Step Down, it is easy to adapt if you already know the standard shapes.

  • F#
  • G#
  • A
  • B
  • C
  • D
  • D#
  • F

Suggested Chords

Works Well With This Scale

Chord options generated from the same note pool.

  • F#dimdiminished
  • G#dimdiminished
  • G#m7b5minor 7 flat 5
  • G#7dominant 7
  • G#mminor
  • G#major
  • G#5power
  • Adimdiminished
  • Bdimdiminished
  • Bm7b5minor 7 flat 5

Related Pages

Related Scales