Am7♭5♭9 8-string guitar chord

How to play Am7♭5♭9 on 8-string guitar

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

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

What notes are in Am7♭5♭9?

Am7♭5♭9, A half-diminished seventh flat nine, is A, C, E♭, G and B♭: the root (A), the minor third (C), the diminished fifth (E♭), the minor seventh (G) and the flat ninth (B♭). Its formula is 1 ♭3 ♭5 ♭7 ♭9.