C7♭9♭13 7-string bass chord

How to play C7♭9♭13 on 7-string bass

The most common way, the first shape above: lay your index finger flat across the six strings from the B to the C at the 1st fret, your ring finger on the D string at the 2nd fret and your little finger on the F string at the 2nd fret. Don’t play the E string.

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

What notes are in C7♭9♭13?

C7♭9♭13, C dominant seventh flat nine flat thirteen, is C, E, G, B♭, D♭ and A♭: the root (C), the major third (E), the perfect fifth (G), the minor seventh (B♭), the flat ninth (D♭) and the flat thirteenth (A♭). Its formula is 1 3 5 ♭7 ♭9 ♭13.