B♭m9♭5 8-string bass chord

How to play B♭m9♭5 on 8-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 6th fret, your middle finger on the A string at the 7th fret, your little finger on the C string at the 8th fret and your ring finger on the F string at the 7th fret. Don’t play the F♯ and B strings.

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

What notes are in B♭m9♭5?

B♭m9♭5, B♭ half-diminished ninth, is B♭, D♭, F♭, A♭ and C: the root (B♭), the minor third (D♭), the diminished fifth (F♭), the minor seventh (A♭) and the ninth (C). Its formula is 1 ♭3 ♭5 ♭7 9.