Am9♭5 8-string guitar chord

How to play Am9♭5 on 8-string guitar

The most common way, the first shape above: lay your index finger flat across the four strings from the F♯ to the A at the 3rd fret, your middle finger on the low B string at the 4th fret, your little finger on the D string at the 5th fret and your ring finger on the G string at the 4th fret. Don’t play the high B and high E strings.

From the F♯ string 3 4 3 3 5 4 x x (x: not played, 0: open)

What notes are in Am9♭5?

Am9♭5, A half-diminished ninth, is A, C, E♭, G and B: the root (A), the minor third (C), the diminished fifth (E♭), the minor seventh (G) and the ninth (B). Its formula is 1 ♭3 ♭5 ♭7 9.