F7♭9 8-string bass chord

How to play F7♭9 on 8-string bass

The most common way, the first shape above: your ring finger on the A string at the 8th fret, your middle finger on the D string at the 7th fret, your little finger on the G string at the 8th fret and your index finger on the C string at the 6th fret. Don’t play the F♯, B, E and F strings.

From the F♯ string x x x 8 7 8 6 x (x: not played, 0: open)

What notes are in F7♭9?

F7♭9, F dominant seventh flat nine, is F, A, C, E♭ and G♭: the root (F), the major third (A), the perfect fifth (C), the minor seventh (E♭) and the flat ninth (G♭). Its formula is 1 3 5 ♭7 ♭9.