B♭7♭5 6-string bass chord

How to play B♭7♭5 on 6-string bass

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

From the B string x 6 7 6 7 x (x: not played, 0: open)

What notes are in B♭7♭5?

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