A9 chord on banjo

The A9 chord diagram on banjo, the notes it is built from, and the Alviena charts that use it.

The diagram

The notes in A9

B · C# · E

The chord is built from 3 distinct pitches. A shape may double them an octave apart: the same note then appears more than once without changing the chord.

The shape, string by string

2 muted strings

StringFretNote
34B
22C#
12E

Other A chords

The same colour, on another root

A9 on other instruments