A diminished seventh

Symbols:Adim7, A°7, Ao7

Notes:A, C, D#, F#

Similar Chords

The following chords are similar to this chord and may be a suitable replacement in certain scenarios.

Chord Type	Chords
altered dominant 7th	G#7alt, F7alt, D7alt, B7alt
diminished	F#dim, D#dim, Cdim, Adim
dominant 7th	G#7, F7, D7, B7
half-diminished 7th	F#m7(b5), D#m7(b5), Cm7(b5), Am7(b5)
minor 6th	F#m6, D#m6, Cm6, Am6

Member Scales

This chord can be found in the following scales.

Scale	Roots
Dorian b5	F#, D#, C, A
Harmonic Major	G, E, C#, Bb
Harmonic Minor	G, E, C#, Bb
Locrian bb7	F#, D#, C, A
Lydian Augmented #2	F#, D#, C, A
Lydian b3	F#, D#, C, A
Mixolydian b2	G#, F, D, B
Phrygian b4	G#, F, D, B

Related Items

Chord Charts

Find guitar chord charts for this chord

View Chord Chart Search