A7♭5♭9 8-string bass chord

How to play A7♭5♭9 on 8-string bass

The most common way, the first shape above: lay your index finger flat across the six strings from the E to the F at the 5th fret, your middle finger on the A string at the 6th fret, your ring finger on the G string at the 6th fret and your little finger on the C string at the 7th fret. Don’t play the F♯ and B strings.

From the F♯ string x x 5 6 5 6 7 5 (x: not played, 0: open)

What notes are in A7♭5♭9?

A7♭5♭9, A dominant seventh flat five flat nine, is A, C♯, E♭, G and B♭: the root (A), the major third (C♯), the diminished fifth (E♭), the minor seventh (G) and the flat ninth (B♭). Its formula is 1 3 ♭5 ♭7 ♭9.