F7♭5♭9 8-string bass chord

How to play F7♭5♭9 on 8-string bass

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

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

What notes are in F7♭5♭9?

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