Am7♭9 5-string bass chord

How to play Am7♭9 on 5-string bass

The most common way, the first shape above: your ring finger on the B string at the 10th fret, your index finger on the E string at the 8th fret, your little finger on the A string at the 10th fret and your middle finger on the D string at the 8th fret. Don’t play the G string.

From the B string 10 8 10 8 x (x: not played, 0: open)

What notes are in Am7♭9?

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