Four String Bass · Half-Step Down (E♭A♭D♭G♭)

C♯o7♯9C♯ Diminished 7th Sharp 9th

DRoot
Ftone
G♯tone
Btone
Ftone

Formula ♭2 · 3 · 5 · ♭7 · 3  ·  Notes D · F · G♯ · B · F

How to play it

C♯o7♯9 fingering positions

Half-Step Down (E♭A♭D♭G♭), low E on the left. Each dot is colour-coded by note — the ringed dot is the root. Numbers below show the fret per string (x = muted).

C♯ Diminished 7th Sharp 9th guitar chord — 9th position (10 11 9 10) fretboard diagram in Half-Step Down (E♭A♭D♭G♭)
Read it as tab

C♯o7♯9 guitar tab

The same voicings in tablature — high e on top, low E on the bottom. Each fret number is colour-coded by note; the ringed number is the root, × means don’t play that string.

C♯ Diminished 7th Sharp 9th guitar tab — 9th position (10 11 9 10) in Half-Step Down (E♭A♭D♭G♭)
Sound

How C♯o7♯9 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
harshdark
Genres
experimental
Theory

Notes & relationships

NotesD · F · G♯ · B · F
Formula (scale degrees)♭2 · 3 · 5 · ♭7 · 3
Explore

More ways to play C♯ Diminished 7th Sharp 9th

Browse the rest of the C♯ chords in this tuning, or open C♯o7♯9 in the app for every voicing.

C♯o7♯9 in other tunings:

StandardDrop DD Standard

See & hear C♯o7♯9 in Chordology

The app shows every voicing across guitar, piano, bass, banjo and ukulele — in any tuning, with a capo, and you can play every chord back. All offline.

Hear every chordMore voicingsEvery tuning & capoWorks offline
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