C7♭5 7-string bass chord

How to play C7♭5 on 7-string bass

The most common way, the first shape above: your index finger on the B string at the 1st fret, your ring finger on the E string at the 2nd fret, your middle finger on the A string at the 1st fret and your little finger on the D string at the 2nd fret. Don’t play the G, C and F strings.

From the B string 1 2 1 2 x x x (x: not played, 0: open)

What notes are in C7♭5?

C7♭5, C dominant seventh flat five, is C, E, G♭ and B♭: the root (C), the major third (E), the diminished fifth (G♭) and the minor seventh (B♭). Its formula is 1 3 ♭5 ♭7.