Am9♭5 5-string bass chord

How to play Am9♭5 on 5-string bass

The most common way, the first shape above: lay your index finger flat across the four strings from the E to the G at the 8th fret, your ring finger on the B string at the 10th fret, your little finger on the A string at the 10th fret and your middle finger on the D string at the 9th fret.

From the B string 10 8 10 9 8 (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.