B9♭5 5-string bass chord

How to play B9♭5 on 5-string bass

The most common way, the first shape above: your middle finger on the E string at the 11th fret, your little finger on the A string at the 12th fret, your ring finger on the D string at the 11th fret and your index finger on the G string at the 10th fret. Let the B string ring open.

From the B string 0 11 12 11 10 (x: not played, 0: open)

What notes are in B9♭5?

B9♭5, B ninth flat five, is B, D♯, F, A and C♯: the root (B), the major third (D♯), the diminished fifth (F), the minor seventh (A) and the ninth (C♯). Its formula is 1 3 ♭5 ♭7 9.