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A7b5 Guitar Chord

A tense jazz chord with a tritone replacing the perfect fifth. Often serves as a tritone substitution in jazz progressions — replacing the classic dominant seventh chord.

Guitar

Strings X–0–1–2–2–3

How to play the A7b5 chord on guitar

Read the string pattern X–0–1–2–2–3 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Do not play
5th string (A) Play open
4th string (D) Fret 1 · index finger
3rd string (G) Fret 2 · middle finger
2nd string (B) Fret 2 · ring finger
1st string (high E) Fret 3 · little finger

Notation for A7b5 chord

Other names: A 7th flat 5

Music theory name: seventh flat five chord

Common name: A 7b5 chord

Intervals and tones in A7b5 chord

Note Interval
A Root
C# Major 3rd
Eb Diminished 5th
G Minor 7th

All Variations

Open
X–0–1–2–2–3
Fret 4
X–0–5–6–4–5
Fret 7
X–X–7–8–8–9
Fret 10
X–10–11–12–10–11

More chords with A as the root

The same chord type in other keys