A Dominant 9 guitar chords

The below diagrams show you how to play the A9 chord in various positions on the fretboard with suggested finger positions.

A Dominant Ninth chord attributes:

Interval positions with respect to the A major scale, notes in the chord and name variations:

• Scale intervals: 1 - 3 - 5 - b7 -9
• Notes in the chord: A - C# - E - G - B
• Various names: A9 - Adom9 - A Dominant Ninth