A9♭5 8-string guitar chord

How to play A9♭5 on 8-string guitar

The most common way, the first shape above: lay your index finger flat across the four strings from the A to the high B at the 4th fret, your middle finger on the low E string at the 5th fret, your ring finger on the D string at the 5th fret and your little finger on the high E string at the 5th fret. Don’t play the F♯ and low B strings.

From the F♯ string x x 5 4 5 4 4 5 (x: not played, 0: open)

What notes are in A9♭5?

A9♭5, A ninth flat five, is A, C♯, E♭, G and B: the root (A), the major third (C♯), the diminished fifth (E♭), the minor seventh (G) and the ninth (B). Its formula is 1 3 ♭5 ♭7 9.